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The radius of a giant beach ball is 18 inches. What is its surface area?

User Nghia Tran
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1 Answer

4 votes

Answer:

4071.5 in^2

Explanation:

The surface area of a sphere of radius r is A = 4πr²

In this case, with r = 18 in, A = 4π(18 in)² = 4071.5 in²

User Sofia
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