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# From a piece of tin in the shape of a square 6 inches os a

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Manager
Joined: 23 Jan 2008
Posts: 108
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From a piece of tin in the shape of a square 6 inches os a [#permalink]  02 Feb 2008, 16:04
From a piece of tin in the shape of a square 6 inches os a side, the largest possible circle is cut out of the following, the ratio of the area of the circle to the area of the original square is closest in value to

1. 3/4
2. 2/3
3. 3/5
4. 1/2
5. 1/4
CEO
Joined: 29 Mar 2007
Posts: 2591
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Re: piece of tin ? [#permalink]  02 Feb 2008, 16:12
blog wrote:
From a piece of tin in the shape of a square 6 inches os a side, the largest possible circle is cut out of the following, the ratio of the area of the circle to the area of the original square is closest in value to

1. 3/4
2. 2/3
3. 3/5
4. 1/2
5. 1/4

Area of square= 36
Area of circle: diameter is 6 so radius is 3 thus 3^2pi ---> no just 9pi/36 --> pi/4 ~3/4

A
Re: piece of tin ?   [#permalink] 02 Feb 2008, 16:12
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