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the perimeter of a semicircle is 15.42 what is the radius

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asked May 19 in BASIC MATH by anonymous
reshown May 20 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 by Anney Mentor

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