SOLUTION: A sphere has a radius of 8 inches. What is the surface area of the sphere? Round your answer to the nearest whole number.

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Question 755565: A sphere has a radius of 8 inches. What is the surface area of the sphere? Round your answer to the nearest whole number.
Answer by lenny460(1073) About Me  (Show Source):
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A sphere has a radius of 8 inches. What is the surface area of the sphere? Round your answer to the nearest whole number.

Surface area of a sphere = 4(pi)r^2
Let pi be 22/7
r = radius

Therefore:
4 * 22/7 * 8 * 8
(4 * 22 * 8 * 8) / 7
5632 / 7 = 804.57
Answer:
805 sq inches









Lennox Obuong
Algebra Tutor
Nairobi, Kenya
Email: obuong3@aol.com