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OpenStudy (anonymous):
What is the approximate circumference of a circle with a diameter of 56 cm? (Use π = 3.14.) A. 87.92 cm B. 175.84 cm C. 351.68 cm D. 10.82 cm
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OpenStudy (anonymous):
C =2(pi)(r)
OpenStudy (anonymous):
divide diameter by 2 to get radius
OpenStudy (anonymous):
so 56/2 =28
OpenStudy (anonymous):
r =28
OpenStudy (anonymous):
C = 2(3.14)(28)
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OpenStudy (anonymous):
C = (6.28)(28)
OpenStudy (anonymous):
C =175.84
OpenStudy (anonymous):
So, the answer is B
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