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OpenStudy (anonymous):
What is the approximate circumference of a semicircle with a radius of 35 inches? A. 1923.25 inches B. 219.8 inches C. 109.9 inches D. 54.95 inches
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OpenStudy (anonymous):
circumference of a circle with radius r is \[2\pi r\] so, for a semicircle it will be \[\pi r\] For approx calculations assume \[\pi\] = 3
OpenStudy (linn99123):
so it be C right ^^?
OpenStudy (anonymous):
thank you sooo much linn
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