math
 

 math







 

Question by  Ocknelly (19)

How do you calculate diameter?

I know I learned it at one time.

 
+5

Answer by  shanefraley (15)

The diameter of a circle is twice the length of the radius, which extends out from the center of the circle to the edge.

 
+5

Answer by  gefish (35)

It depends on what information is given. For radius, just double it. For circumference, divided cirumference by pi. For area, use the equation Area=Ď€radius^2 to find the radius, then double.

 
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