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Galina-37 [17]
3 years ago
6

I don't know how to solve this problem.

Mathematics
1 answer:
maxonik [38]3 years ago
3 0
If you notice, the quarter circle has a radius of 10 feet. So you can find the circumference/perimeter by using the formula as normal (2pi*radius) to get 20*pi (2*pi*10 = 20*pi). Divide this by four (since it is a quarter circle) to get 5*pi.

You also notice that if you combine the two semicircles, you get a full circle, which means you can find the perimeter normally (which is 10*pi) 10pi+5pi = 15pi which is approximately 47.1 
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3 0
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<em>Hope this helps!</em>

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