please give me the answer really urgent.
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Answer:
=> 2πr - 2r = 15
=> 2r(π-1) = 15
=> 2r*2.14 = 15
=> r = 15/4.28
=> r = 3.5
A = πr²
A = 3.14*3.5*3.5
A = 38.46 m²
Answered by
1
Answer:
38.5m
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