Lakia wants to make an enclosed paper basket shaped like a cone for May Day. The slant height of the cone measures 8 inches and the circular opening measures 5 inches across. How much paper does she need for the basket? Use 3.14 for pi.

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Answer 1 · 2018-06-05T22:26:41

$π r l$ $pirl$ is the formula for the surface area and $π r^{2}$ $pir^2$ is the formula for the area of the base

$3.14 \times 2.5 \times 8 = 62.8$ $3.14xx2.5xx8=62.8$ square inches

$3.14 \times {2.5}^{2} = 19.625$ $3.14xx2.5^2=19.625$

She needs 82.425 square inches of paper

Answer 2 · 2018-06-05T22:26:41

$π r l$ $pirl$ is the formula for the surface area and $π r^{2}$ $pir^2$ is the formula for the area of the base

$3.14 \times 2.5 \times 8 = 62.8$ $3.14xx2.5xx8=62.8$ square inches

$3.14 \times {2.5}^{2} = 19.625$ $3.14xx2.5^2=19.625$

She needs 82.425 square inches of paper