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9 June, 12:44

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.

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  1. 9 June, 12:51
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    For perimeter use the equation for circumference c=2πr c=π18. c = 3.14 (18) c=56.52
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