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## gmt prep q

This topic has 1 member reply
yvonne12 Master | Next Rank: 500 Posts
Joined
07 Feb 2007
Posted:
144 messages

#### gmt prep q

Wed Mar 07, 2007 8:57 am
if the area of the square region is 16, what is teharea of the circular region?

ans. 8 pi

pleaase explain

ssiva Junior | Next Rank: 30 Posts
Joined
13 Feb 2007
Posted:
16 messages
1
Wed Mar 07, 2007 10:20 am
I am assuming the square is incribed in the cirle.

Since the area of the square is 16. Each side is 4. Hence diagonal is
4*(root 2).

Diagonal of the sqaure is the diameter of the circle. Hence radius is 2*( root 2).

Hence area of circle is pi * square of ( 2*root2) = 8pi

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