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The area of a circle is 380.13 square feet. What is the length of its radius?
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The area of a circle is 380.13 square feet. What is the length of its radius?

User Bil
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1 Answer

9 votes

Explanation:


a = \pi {r}^(2) \\ 380.13 = \pi {r}^(2) \\ {r}^(2) = 121 \\ r = 11

User Phoeagon
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