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OpenStudy (rayman5766):
Which circles have an area of 16TT in2? Choose all answers that are correct. A. a circle with a radius of 2 in. B. a circle with a radius of 4 in. C. a circle with a diameter of 8 in. D. a circle with a diameter of 16 in
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OpenStudy (rayman5766):
I think my answer is b and c
OpenStudy (igreen):
That is correct.
OpenStudy (igreen):
\(A = \pi r^2\) \(A = \pi (4^2)\) \(A = 16 \pi\) A diameter of 8 is the same as a radius of 4.
OpenStudy (rayman5766):
thanks iGreen I don't know what the other guy was doing
OpenStudy (igreen):
Lol
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