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# A fence has a square gate.What is the height of the gate?

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Manager
Joined: 15 Oct 2008
Posts: 54
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A fence has a square gate.What is the height of the gate? [#permalink]  17 Nov 2008, 01:04
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A fence has a square gate.What is the height of the gate?
(1) The width of the gate is 30 inches.
(2) The length of the diagonal brace of the gate is 30sqrt2 inches.
Director
Joined: 14 Aug 2007
Posts: 734
Followers: 8

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Re: DS : Area [#permalink]  17 Nov 2008, 01:12
Natasha0123 wrote:
A fence has a square gate.What is the height of the gate?
(1) The width of the gate is 30 inches.
(2) The length of the diagonal brace of the gate is 30sqrt2 inches.

D.

1) all sides same for square
2) diagonal = side * sqrt(2)
Manager
Joined: 15 Oct 2008
Posts: 54
Followers: 1

Kudos [?]: 2 [0], given: 0

Re: DS : Area [#permalink]  17 Nov 2008, 01:16
alpha_plus_gamma wrote:
Natasha0123 wrote:
A fence has a square gate.What is the height of the gate?
(1) The width of the gate is 30 inches.
(2) The length of the diagonal brace of the gate is 30sqrt2 inches.

D.

1) all sides same for square
2) diagonal = side * sqrt(2)

OA is D

I don't know somehow I confuse the word height vs length.
Re: DS : Area   [#permalink] 17 Nov 2008, 01:16
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