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Mathematics 21 Online
OpenStudy (anonymous):

What is the approximate area of the circle? http://lv.k12.com/mediaFiles/Ninth_Grade/Math/Unit17525/Lesson68694/VHS_PA_S2_03_L211_L311_LQ_Q5.gif 32.7 square cm 65.2 square cm 108.2 square cm 339.6 square cm

OpenStudy (anonymous):

i think it's 339.79. (using the formula A=(pi)(radius)^2

OpenStudy (ryan123345):

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