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OpenStudy (2yoututu11):
What is the approximate circumference of a semicircle with a radius of 12 centimeters? A. 18.8 centimeters B. 37.7 centimeters C. 75.4 centimeters D. 150.7 centimeters
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OpenStudy (anonymous):
this is pi*r + 2r = 36 + 24 = 60
OpenStudy (anonymous):
oh - i have included the diameter - if u dont include that its B
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