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

3 votes

Perimeter\ of\ the\ circle:L=2\pi r;\ r=7\\\\L=2\pi\cdot7=14\pi\approx14\cdot3.14=43.96\\\\(21)/(43.96)\approx0.477707\\\\0.477707\cdot360^o\approx171.97^o\approx172^o\\\\Answer:\boxed{172^o}
User Thomas Davis
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7.0k points
3 votes
It's about 172 degrees.
User Kim Sullivan
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