What is the radius? (Am I right?)
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What is the radius? (Am I right?)

[From: ] [author: ] [Date: 11-05-20] [Hit: ]
-CORRECT!!! :D-yes u r absolutely right,......
The area of a circle with radius r is given by the forumular A=πr^2. If a circle has area 144π square inches, what is the radius?
I got 12. Is that right?

-
A=πr^2.
i.e. 144pi = pi r^2
or pi is cancelled,
or, r^2= 144
therefore,
r=12 which means, you are right.

-
CORRECT!!! :D

-
yes u r absolutely right, r = 12
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