How do you find the area of circle $x^{2} + y^{2} = 25$ $x^2 + y^2 = 25$ ?

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How do you find the area of circle $x^{2} + y^{2} = 25$ $x^2 + y^2 = 25$ ?

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Answer 1 · 2016-02-09T23:21:36

$25 π$ $25 pi$

Explanation:

The center of the circle is at (0,0) and, when x = 0, the circle points are at $y = - 5$ $y=-5$ and $y = 5$ $y=5$ . So, the radius of the circle is r = 5.
The area of a circle is given by $π r^{2}$ $pi r^2$ . So, substituting $r = 5$ $r=5$ , one gets the answer: $25 π$ $25 pi$ .

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How do you find the area of circle $x^{2} + y^{2} = 25$ $x^2 + y^2 = 25$ ?

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Explanation:

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How do you find the area of circle x^2 + y^2 = 25x2+y2=25 x^2 + y^2 = 25?

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How do you find the area of circle $x^{2} + y^{2} = 25$ $x^2 + y^2 = 25$ ?