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# How are radius and diameter alike and different?

Wiki User

2011-02-09 21:53:32

Alike: Their in the formula to find the area of the circle pie times radius squared

or

pie times diameter divided by 2

Different: In a circle, radius is half of the diameter.

Example: If the diameter of a circle is 10. Then the radius would be 5.

Wiki User

2011-02-09 21:53:32
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