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OpenStudy (anonymous):
What is the approximate distance around the half circle with radius 35 inches? A. 1923.25 inches B. 219.8 inches C. 109.9 inches D. 54.95 inches
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OpenStudy (catlover5925):
to find the circumference it is \(\normalsize\color{red}{pie~*~R^2}\)
OpenStudy (anonymous):
Lets see the formula for perimeter of semicircle. pi times r. We'll use 3.14 * 35. The answer is C, 109.9!
OpenStudy (anonymous):
*pi
OpenStudy (anonymous):
@Catlover, that is area of a circle, not perimeter of a semicircle.
OpenStudy (catlover5925):
ok sorry, I guess I thought wrong
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