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A circular mat with diameter 20 inches is placed on a square

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Manager
Manager
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Joined: 10 Oct 2008
Posts: 56

Kudos [?]: 67 [0], given: 0

A circular mat with diameter 20 inches is placed on a square [#permalink]

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New post 17 Oct 2008, 08:30
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

A circular mat with diameter 20 inches is placed on a square tabletop, each of whose sides is 24 inches long. Which of the following is closest to the fraction of the tabletop covered by the mat?

A. 5/12
B. 2/5
C. 1/2
D. 3/4
E. 5/6

Kudos [?]: 67 [0], given: 0

Director
Director
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Joined: 01 Jan 2008
Posts: 618

Kudos [?]: 198 [0], given: 1

Re: mat [#permalink]

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New post 17 Oct 2008, 08:34
Jcpenny wrote:
A circular mat with diameter 20 inches is placed on a square tabletop, each of whose sides is 24 inches long. Which of the following is closest to the fraction of the tabletop covered by the mat?

A. 5/12
B. 2/5
C. 1/2
D. 3/4
E. 5/6


(pi*(20^2)/4)/(24)^2 = approx = 3*5^2/(4*6^2)= approx = //5^2 = approx = 4*6//=3/6=1/2 -> C

Kudos [?]: 198 [0], given: 1

Re: mat   [#permalink] 17 Oct 2008, 08:34
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A circular mat with diameter 20 inches is placed on a square

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