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OpenStudy (anonymous):
If the diameter of the circle above is 16 mm, what is the area of the circle? 256 mm2 16 mm2 8 mm2 64 mm2
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OpenStudy (anonymous):
@Miss_Mello @AQ99 @Simple10 @HotPinkGirl
OpenStudy (z4k4r1y4):
area of a circle = \[\pi r^{2}\]
OpenStudy (z4k4r1y4):
r = diameter/2
OpenStudy (anonymous):
Wouldnt the answer be 201 ?
OpenStudy (anonymous):
I have no idea
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OpenStudy (z4k4r1y4):
yeah that's what i don't under stand.
OpenStudy (z4k4r1y4):
i mean \[64\pi\]mm2 could be the answer
OpenStudy (anonymous):
Those answers have to be wrong. Its 201
OpenStudy (z4k4r1y4):
maybe the last option is missing the pi sign, because 64pi = 201
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