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the perimeter of a semicircle is 15.42 what is the radius

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asked May 19, 2017 in BASIC MATH by anonymous
reshown May 20, 2017 by goushi

1 Answer

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The perimeter of a semi circle is image

Find the radius.

Perimeter of the semicircle formula is image

Substitute image

image

The radius of the semicircle is image

answered May 24, 2017 by Anney Mentor

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