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What is the diameter in inches of a circle that has an area of 81
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What is the diameter in inches of a circle that has an area of 81
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Mathematics
3 years
2021-07-25T15:18:32+00:00
2021-07-25T15:18:32+00:00 1 Answers
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Answer:
d = 10
Step-by-step explanation:
A = πr²
81 /π = r²
r² ≈ 25
r = 5
d = 5(2) or 10