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OpenStudy (anonymous):
A circle has a diameter of 15 feet. What is the circumference of the circle? (Express your answer using π.)
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hartnn (hartnn):
Circumference = \(\pi\times diameter\)
OpenStudy (anonymous):
First you have to get the radius.
hartnn (hartnn):
just put diameter = 15, keep pi as is
OpenStudy (anonymous):
30 feet
OpenStudy (anonymous):
nevermind go with hartnn.
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OpenStudy (anonymous):
It's the easier way.
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