ztfountain ztfountain

12-07-2018
Mathematics

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PLEASE ANSWER ASAP! What is the radius of a sphere if its surface area is 314 square inches? (Use 3.14 for π.)

A. 10 in.

B. 5 in.

C.25 in.

D. 15 in.

Respuesta :

thuynganngtp4x2d3 thuynganngtp4x2d3

12-07-2018

surface area of a sphere formula: A=4πr^2

314=4 x 3.14 x r^2 => r=5

It's B

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