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

1 answer:

3 0

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! :)

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