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Can someone please answer. There is one problem. There's a picture. Thank you!

Can someone please answer. There is one problem. There's a picture. Thank you!-example-1
User Jpaguerre
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2 Answers

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Multiply the radius by the radius. Then multiply by pi. Use 3.14 for pi.
User Ronalchn
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2 votes

A=\pi\cdot (2.5)^2=6.25\pi\approx19.63
User TraneHead
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