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OpenStudy (anonymous):
PLEASE HELP! I keep getting 78.5 What is the area of a circle with a diameter of 10 inches (in.)? (Area of a circle = πr2) A. 5π in.2 B. 10π in.2 C. 25π in.2 D. 100π in.2
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OpenStudy (science0229):
I think that the problem is supposed to ask the circumference, not the area...
OpenStudy (anonymous):
the radius would be 5 since the diameter is 10 so plug 5 into the equation to get it
OpenStudy (science0229):
Area is supposed to be about 78.5...
OpenStudy (anonymous):
it wants it in terms of pi so the answer would be c
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