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OpenStudy (anonymous):
What is the relationship between the diameter of a circle and the area of the circle? My answer: pi x (0.5d)^2 Is this correct?
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OpenStudy (anonymous):
Yes
OpenStudy (anonymous):
Thanks
OpenStudy (anonymous):
2pir and pir^2
OpenStudy (anonymous):
diameter = 2*r, area=pi*r^2.area/diameter=pi*r^2/2r=pi*r/2
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