Circumference and Area of Circles Geometry Perimeter, Area, and Volume Circumference and Area of Circles Questions What is the circumference of a 15-inch circle if the diameter of a circle is directly proportional to its radius and a circle with a 2-inch diameter has a circumference of approximately 6.28 inches? If the radius of a circle is 4cm, what is the area? How do you find the circumference of a circle with a diameter of 6 cm? How much will it cost to paint a circular sign with a radius of 4 feet if the painter charges $1.50 per square foot? What is the circumference of a circle with a radius of 30 inches? Write the equation of a circle with a center at (-3,-4) and a radius of 3? What is the perimeter of a quadrant of a circle with radius 3cm? I am installing a 1 yard-wide walk around circular swimming pool that is 21 ft in diameter. What is the area of the walk? What is the circumference of a circle with radius of 30 inches? What is the equation of a circle with a center at (-3, -4) and a radius of 3? How do you find the radius of a circle when given its circumference? How would you find the radius of a circle with an area of 50.24? How can you find the radius of a circle from the area? How do I find the radius of a circle from its circumference? How do you calculate the area of a circle with a radius of 5cm? How does doubling the radius of a circle affect its area? How does the radius of a circle change if the circumference is doubled? How do you find the radius of a circle given the length of an arc? If the radius of a circle is tripled, how does the circumference change? What is the radius of a circle whose circumference is #16π#? What is the radius of a circle whose diameter is 13 units? What the radius of a circle with area 9? What is the area of a circle with radius of 10 cm? Whats the diameter of a circle? Is it the distance to the middle of the circle or the distance all the way across the circle? If the diameter of a circle is 20cm, what is the area? How would I find the diameter of a circle when area is given? The diameter of a circle is 2 centimeters. What is the circle's radius? A piece of wire 20 cm long is cut into two pieces , one of which is bent into a circle and the other into a square enclosing it. What is the length of the diameter of the circle? The circumference of a circle is #8pi# cm. What is the diameter of the circle? If the diameter of a circle is #1.3*10^-12# meters, then what is its radius? If the diameter of the circle is 5 cm, what is the circumfrence and area of the figure? Is the diameter of a circle always twice the radius? The diameter of a circle is 4 miles. What is the circle's radius? What is the area of a circle, if the diameter is 18? What is the relationship between the circumference and diameter of a circle? What is the diameter of a circle if its circumference is 80cm? What is the area of a circle that has a diameter of 24? If the diameter of a circle is 28.9 m, what is the area? If the radius of a circle is 10 feet, what is the diameter? The diameter of a circle is 9 cm. What is the area of the circle? What would be the circumference of a circle with a diameter of 10 inches? What is the difference between radius & diameter? How do you find diameter from the circumference of a circle? The diameter of a circle is 5 ft. What is the area of the circle? If the diameter of a circle is 14, what is the area? If the diameter of a circle is 22, what is the circumference? What is the circumference of a circle with a diameter of 50 mm? If the radius of a circle is 55 inches, what is the area, circumference, and the diameter? The diameter of a circle is 40 m. What is the area of the circle in terms of #pi#? The radius of a circle is 6.5. What is the diameter, circumference, and area? What is the diameter of a circle with a 6.7 cm circumference? If a circle has a radius of 15 inches, what is the diameter of the circle? How can I find diameter of a circle? How does the circumference of a circle change when its diameter is tripled? How does the circumference of a circle change when its diameter is doubled? How does doubling the diameter of a circle change its area? How do you find diameter of a circle with circumference? How do you find diameter of a circle with area? What is the diameter of a circle whose area is #16##pi#? What is the diameter of a circle whose circumference is 5? What is the diameter of a circle whose radius is 11? What is the diameter of a circle whose radius is 2.3? What is the equation for circumference? How do you find the circumference of the circle #x^2 + y^2 = 28#? What is the circumference of the circle whose equation is #(x-9)^2+(y-3)^2=64#? What's the formula for circumference of a circle? What is an equation that relates the circumference of a circle as a function of its diameter? How is the formula for the circumference of a circle derived? What is the circumference of a circle with a radius of 3? How do you find the volume of a 52 cm diameter spherical balloon? How do you find the circumference and area of the circle whose equation is #x^2+y^2=36#? What is the circumference of a circle with a diameter of 16 in? How do you find the diameter from a circumference of 20? If a circle has the diameter of 8, what is the circumference? What is the approximate circumference of a circle with the radius 3? If a circle has a diameter of 4 inches, what is the circumference? What is the circumference of a circle whose diameter is 12 yards? What is the circumference of a circle that has a diameter of 1.54 inches? What is the circumference of a circle with a radius of 11? What is the circumference of a circle with area = #36 pi# #cm^2#? What is the area of a circle if the circumference is 48 ft? If #pi# equals #22/7# and the radius of a circle is #1##3/4# in, what is the circumference? If the radius of a circle is 6 inches, what is the circumference? What is the circumference and area in feet of circular pool that has a diameter of 20 yards? What is the circumference and the area of a circle that has a diameter of 35 cm? What is the circumference of a circle with an area of #49 pi# #i##n##ches^2#? The radius of a pie measures 17 cm. What is the circumference of the pie? What is the circumference of a circle whose area is #16pi#? What is the exact circumference of a circle with a diameter of 37 inches? As the diameter of the circle increases what happens to the circumference? What is the circumference of a circle with a radius of 9 cm? What is the circumference of a circle when the diameter is 18? Given a circle with a diameter of 6, what is the circumference? How do you find the circumference of a circle with a diameter of 7.5 in? What is the circumference of a circle with a radius of 34 inches? Maria's pie shop is selling small apple pies with a diameter of 6 inches for $3.99 and large apple pies with a diameter of 12 inches for $6.99. Which pie is the better buy? Basketball rims have a diameter of 18 inches. If you want to put a band around a basketball rim, how much material to the nearest tenth of an inch will you need? A chord with a length of #5 # runs from #pi/12 # to #pi/6 # radians on a circle. What is the area of the circle? A chord with a length of #3 # runs from #pi/12 # to #pi/6 # radians on a circle. What is the area of the circle? A chord with a length of #12 # runs from #pi/12 # to #pi/6 # radians on a circle. What is the area of the circle? A chord with a length of #12 # runs from #pi/12 # to #pi/8 # radians on a circle. What is the area of the circle? A chord with a length of #1 # runs from #pi/12 # to #pi/8 # radians on a circle. What is the area of the circle? A chord with a length of #2 # runs from #pi/12 # to #pi/8 # radians on a circle. What is the area of the circle? A chord with a length of #5 # runs from #pi/12 # to #pi/8 # radians on a circle. What is the area of the circle? A chord with a length of #9 # runs from #pi/12 # to #pi/8 # radians on a circle. What is the area of the circle? A chord with a length of #8 # runs from #pi/12 # to #pi/8 # radians on a circle. What is the area of the circle? A chord with a length of #4 # runs from #pi/12 # to #pi/3 # radians on a circle. What is the area of the circle? A chord with a length of #4 # runs from #pi/4 # to #pi/3 # radians on a circle. What is the area of the circle? A chord with a length of #3 # runs from #pi/4 # to #pi/3 # radians on a circle. What is the area of the circle? A chord with a length of #15 # runs from #pi/4 # to #pi/3 # radians on a circle. What is the area of the circle? A chord with a length of #15 # runs from #pi/8 # to #pi/3 # radians on a circle. What is the area of the circle? A chord with a length of #1 # runs from #pi/8 # to #pi/3 # radians on a circle. What is the area of the circle? A chord with a length of #7 # runs from #pi/8 # to #pi/3 # radians on a circle. What is the area of the circle? A chord with a length of #5 # runs from #pi/8 # to #pi/3 # radians on a circle. What is the area of the circle? A chord with a length of #9 # runs from #pi/8 # to #pi/6 # radians on a circle. What is the area of the circle? A chord with a length of #3 # runs from #pi/8 # to #pi/6 # radians on a circle. What is the area of the circle? A chord with a length of #4 # runs from #pi/8 # to #pi/6 # radians on a circle. What is the area of the circle? A chord with a length of #8 # runs from #pi/8 # to #pi/6 # radians on a circle. What is the area of the circle? A chord with a length of #6 # runs from #pi/8 # to #pi/6 # radians on a circle. What is the area of the circle? A chord with a length of #35 # runs from #pi/8 # to #pi/6 # radians on a circle. What is the area of the circle? A chord with a length of #35 # runs from #pi/8 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #3 # runs from #pi/8 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #1 # runs from #pi/8 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #6 # runs from #pi/8 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #5 # runs from #pi/8 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #4 # runs from #pi/8 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #9 # runs from #pi/8 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #16 # runs from #pi/8 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #13 # runs from #pi/8 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #13 # runs from #pi/12 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #1 # runs from #pi/12 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #2 # runs from #pi/12 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #3 # runs from #pi/12 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #5 # runs from #pi/12 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #6 # runs from #pi/12 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #8 # runs from #pi/12 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #18 # runs from #pi/12 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #18 # runs from #pi/4 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #2 # runs from #pi/4 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #1 # runs from #pi/4 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #5 # runs from #pi/4 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #12 # runs from #pi/4 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #16 # runs from #pi/4 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #16 # runs from #pi/3 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #15 # runs from #pi/3 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #12 # runs from #pi/3 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #1 # runs from #pi/3 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #4 # runs from #pi/3 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #6 # runs from #pi/3 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #14 # runs from #pi/3 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #24 # runs from #pi/3 # to #pi/2 # radians on a circle. What is the area of the circle? A chord with a length of #24 # runs from #pi/3 # to #(5 pi )/6 # radians on a circle. What is the area of the circle? Question #335b3 Question #94a03 Question #6ab7b Knowing the extreme points of a diameter in circle are #A(-3,1) and D(2,5)#, find the canonical equation of a circle? Calculate the radius and the area of the brick region? Calculate the area a brick region? The length from the base of the rectangle to the top of the arc is called "Sagita". The small side of the bridge into the sagita, #e=21#. Question #9757e Two overlapping circles with equal radius form a shaded region as shown in the figure. Express the area of the region and the complete perimeter (combined arc length) in terms of r and the distance between center, #D#? Let #r=4 and D=6# and calculate? A regulation baseball (hardball) has a great circle circumference of 9 inches; a regulation softball has a great circle circumference of 12 inches. a. Find the volumes of the two types of balls. b. Find the surface areas of the two types of balls? Find an expression for the area of the shaded region? Now let r= 4 cm, calculate the area? A pizza with a diameter of 18 inches is cut into 10 equal slices. To the nearest square inch, what is the area of each slice of the pizza? How do I find the approximate area of the shaded portion? What is the circumference of a circle with a radius of 5? How do you find the area of a circle with a radius of 2 cm? Question #9c3ae Question #2d1d2 Question #bf75f Question #de4c6 Question #df371 A circle is inscribed in a square, which means that each side of the square touches the circle at exactly one point. If the area of the circle is 144pi, what is the length of the diagonal? Find the center and diameter of the circle below? Question #7e75c Question #3e00c What is the area of a circle, whose radius is #3cm.#? Find the area of the shaded figures? 6 equal circular discs placed so that their centres lie on the circumference of a given circle with radius (r), and each disc touches its 2 neighbours. What is the radius of a 7th disc placed in the centre which will touch each of the each existing ones? How do you find the circumference of a circle with a radius of 0.5 meters? To the nearest kilometer, how far would you go if you traveled along the circumference of the equator, assuming the equator is a circle with a radius of kilometers? The area of a circle is 20 square centimeters. What is its circumference? How do we arrive at the formula for area of a circle as #pir^2#? Given an octagon inscribed in a square of side, #s# express the shaded area i terms of s? Hint the intersecting circles quarter circles have radius that are related to the diagonal of the square... The Goode family built a rectangular swimming pool in their backyard. The floor of the pool has an area of #485 5/8# square feet. If the width of the pool is #18 1/2# feet, what is the length of the pool? Calculate the area of the shaded region? This question please about radians, i would appreciate your help What is the area of a 60° sector of a circle with area #42pim^2#? The area of a circle is 16pi. What is the circumference of the circle? Given an ellipse with major and minor axis of #a# and #b# find the area of the ellipse? Show your work. the perimeter of the ellipse is rather difficult to derive in closed form, discuss how you would approach it? Circle R has diameter ST with endpoints S(4, 5) and T(-2, 3). What are the circumference and area of the circle? How do you find circumference of circle with radius 3? How do you find the area and the circumference of a circle with diameter 2 yd? How do you find the area of a circle with a diameter of 6? A circle has a radius of 6 cm. What is its circumference? A smaller circle touches a larger circle internally and passes through the center #O# of the larger circle. If the area of the smaller circle is #200 cm^2#, what is the area of the larger circle in #cm^2#? Question #02ef3 The radii of two concentric circles are 16 cm and 10 cm. #AB# is a diameter of the bigger circle. #BD# is tangent to the smaller circle touching it at #D#. What is the length of #AD#? The diameter of a small pizza is 16 centimeters. This is 2 centimeters more than two fifths of the diameter of a large pizza. How do you find the diameter of the large pizza? The area of a circle is 16 pi cm2. What is the circle's circumference? What is the approximate area of a 70° sector of a circle with a radius of 8 inches? The circumference of a circle is 50.24 centimeters. How do you find the area of the circle? Question #0262a How do you find the radius of a circle if the circumference is #29pi#? The area of a circle is 28.26 in. What is the circumference of that circle? What is the radius of a circle whose area is 154 square centimeters? The circumference of a circle is #12pi#cm. How do you find the a) Diameter: b) Radius: c) Area of the circle in terms of #pi#? The circumference of a circular field is 182.12 yards, what is the radius of the field? Question #1cea0 What is the area of a circle with a radius of 3 cm? A circle has a circumference of #3600pi# What is the diameter of the circle? Suppose the circumference of a circle is #6pi#. What is its radius? A saucer has a radius of 8 cm. A plate has a radius of 12 cm. How much greater circumference of the plate than the circumference of the saucer? The circumference of a circle 20cm. What is the radius of the circle? If circumferences of two circles are in the ratio #3:1#, what is the ratio of their areas? What is the circumference of a circle with a diameter of 4 cm? The radius of a circle is 2 inches. What is the circle's area? Question #d2fe1 The length of the radius of two circles are 5 cm and 3 cm. The distance between their center is 13 cm. Find the length of the tangent who touches both the circles? Question #88586 Question #a3679 Question #6455f Two circles having equal radii #r_1# and touching a line #l#on the same side of #l# are at a distance of #x# from each other. Third circle of radius #r_2# touches the two circles. How do we find the height of third circle from #l#? Question #9a0a7 Question #b7d7b The diameter of a circle is 14 ft. What is the area of the circle? The area of a square is #40# #i n ^2#. If the length of each side of the square is #2x# #i n#, what is the value of #x#? A circle has a radius of 9 inches. The is radius is multiplied by #2/3# to form a second circle. How is the ratio of the areas related to the ratio of the radii? A square has a side length of #3x# inches and an area of #324# #i n^2#. What is the value of #x#? The circumference of a circle is #11pi# inches. What is the area, in square inches, of the circle? A rectangular pool has an area of #750# #ft^2#. The length is 16 feet longer than the width. What are the dimensions of the pool? What is the area of a circle with diameter, d = 3.4m ? Question #ab8e4 How do you calculate the circumference of a circle if the radius measures 8 inches? Question #5989d How do you calculate the area of a semicircle with a radius of 7 cm? Question #933e0 Question #650b3 Question #f8b6b Question #5e822 Question #9c7d8 Question #52715 Question #96a15 Question #89620 If the radius of a circle is reduced by 50 percent, by what percent is its area reduced? Question #74578 Question #14706 What is the exact area of a circle with a diameter of 10? A circle has center at #(0,0)# and passes through #(-12,0)#, what is its circumference and area? What's the circumference of a 15 inch bicycle wheel? Question #20484 Question #0c93b Find the area of the smaller region bounded by the circle with equation #x^2 + y^2=25#, and the lines #y = 1/3x# and #y = -1/3x#? Question #11e0a Question #1d57b Question #ccab4 Question #6cea7 A circle has a radius of #6x^9y^5#. The area of a circle can be found using A = Pi(radius)^2. What is the area of this circle in square centimeters? What is the circumference of a circle with diameter 5 inches? Question #e45d8 Question #0f210 The radius of the larger circle is twice as long as the radius of the smaller circle. The area of the donut is 75 pi . Find the radius of the smaller (inner) circle.? Question #14fe5 Question #a5417 Question #4927a What is the circumference of a circle that has radius #7"cm"# ? Question #5154e Question #aa340 If a circle has a circumference of 10 pie what is the circle's diameter? Given a circle with a diameter of 6, what is the circumference in pi? How do you find the circumference of a circle with diamete of 33cm? Give your answer in terms of pi. If the diameter is #"9 cm"#, what is the radius? The circumference of a circle is 18.84 millimeters. What is the circle's diameter? C=18.84 mm Use 3.14 for 𝜋. Perimeter, Area, and Volume View all chapters Perimeter and Area of Triangle Triangle Inequality Theorem Heron's Formula Circumference and Area of Circles Perimeter and Area of Non-Standard Shapes Volume of Solids Prev Next