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OpenStudy (chosenmatt):
What is the approximate area of a circle with a diameter of 46 meters?
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OpenStudy (chosenmatt):
@iGreen
OpenStudy (igreen):
A = pi * r^2 The radius is half the diameter. 46 / 2 = ?
OpenStudy (chosenmatt):
23
OpenStudy (igreen):
Yes, so the radius is 23. A = 3.14 * 23^2
OpenStudy (igreen):
Multiply 3.14 * 23 * 23
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OpenStudy (chosenmatt):
1661.06
OpenStudy (igreen):
Yes, that's our answer.
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