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OpenStudy (chosenmatt):
What is the approximate area of a circle with a radius of 13 cm?
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OpenStudy (chosenmatt):
@iGreen
OpenStudy (chosenmatt):
@iGreen
OpenStudy (igreen):
\(A = \pi r^2\) \(A = (3.14)(13^2)\) Simplify
OpenStudy (chosenmatt):
40.8 530.7 784 2461.8
OpenStudy (chosenmatt):
^^answer choices @iGreen
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OpenStudy (chosenmatt):
@iGreen @satellite73
OpenStudy (igreen):
Multiply 3.14 * 13 * 13
OpenStudy (chosenmatt):
530.66
OpenStudy (igreen):
Yes, that rounds to 530.7
OpenStudy (chosenmatt):
oh
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