SOLUTION: The area of the base of a cylinder is 200, so what is the radius?

Question 517993: The area of the base of a cylinder is 200, so what is the radius?
Found 2 solutions by solver91311, rfer:
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

The area of a circle is given by:

Divide both sides by

Then take the positive square root (no negative measure radii here)

John

My calculator said it, I believe it, that settles it

Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
A=3.14r^2
200=3.14r^2
200/3.14=r^2
r^2=63.69
r=7.98
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