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Mathematics 16 Online
OpenStudy (anonymous):

What is the approximate perimeter of a semicircle with a radius of 9 mm? Use π ⁢ = 3.14. Express your final answer to the nearest hundredth.

OpenStudy (anonymous):

A semicircle are is πr+2r So 3.14x9+2x9 46.26 mm So it's final answer 46.3

OpenStudy (anonymous):

thanks!!

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