SOLUTION: The area of a circle is 196pi square yards. Find the diameter.

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Question 1187174: The area of a circle is 196pi square yards. Find the diameter.
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

The area of a circle is:
A=r%5E2%2Api
if the area is 196pi square yards,
196pi=r%5E2%2Api..........simplify
196cross%28pi%29=r%5E2%2Across%28pi%29
196=r%5E2
r=sqrt%28196%29
r=14yd
then, the diameter is d=2r=>d=28yd