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OpenStudy (anonymous):
The diameter of the coin is 2.5 cm. Which of these is closest to the circumference of the coin??? A. 7.5 cm B. 4.5 cm C. 9.4 cm D. 3.1 cm Please help and i will give u a medal and a fan!!
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OpenStudy (anonymous):
@alexrobin13
OpenStudy (alexandervonhumboldt2):
to find circumfence you need to multiply the diameter by the pi. pi=3.14. so you have 3.14*2.5=??/calculate
OpenStudy (anonymous):
7.85
OpenStudy (alexandervonhumboldt2):
yes and the closests is of course A then
OpenStudy (anonymous):
Thanks for helping
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