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08-05-2021
Mathematics

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

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08-05-2021

Answer:

4071.5 in^2

Step-by-step 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

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