The perimeter of a quarter circle is 14.28 KM. What is the quarter circle's radius?

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asked Apr 18, 2019 125k views

1 Answer

Giokoguashvili · Answer 1 · 2019-04-21T21:40:32+0000

Circumference= 2πr
Circumference= perimeter

14.28km= 2(3.14)r
14.28= 6.2831853072r
divide both sides by 6.2831853072
2.27= r

ANSWER: The radius is 2.27km

Hope this helps! :)

The perimeter of a quarter circle is 14.28 KM. What is the quarter circle's radius?

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