A figure skater must trace a figure eight on the ice that consists of two perfect circles, each with

Algebra
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A figure skater must trace a figure eight on the ice that consists of two perfect circles, each with a radius of 7 ft. How far does the skater go one time around the figure eight?

Jun 10th, 2015

Thank you for the opportunity to help you with your question!

The circumfrence is the distance around the circle. By definition, pi is the ratio of the circumfrence to the diameter. the diameter is 2 times the radius. So, C=2(pi)(r). That's one of the circles. The other circle is same as the first. Multiple it by 2. so the answer is 4(pi)(r)

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Jun 10th, 2015

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