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OpenStudy (anonymous):
What is the area of a circle with a diameter of 8? (1 point) 4 pi 8 pi 16 pi 64 pi
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OpenStudy (anonymous):
I need help with this one and 3 more, if anyone would like to help.
OpenStudy (anonymous):
area of a circle is \(\pi r^2\) if your diameter is 8, then the radius is 4, so the area is \(\pi \times 4^2=16\pi\)
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