20-04-2018
Mathematics

contestada

The area of a circle is 706.5 square inches. What is the radius? Use 3.14 to approximate pi.

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sqdancefan sqdancefan

20-04-2018

r = √(A/π) ≈ √(706.5 in²/3.14) ≈ 15 in

The radius is about 15 in.

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choixongdong choixongdong

20-04-2018

A= pi r^2
706.5 = 3.14 x r^2
r^2 = 225
r = 15

answer
radius = 15 in.

Answer Link

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