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The length of a ladder is exactly equal to the height of the wall. If

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The length of a ladder is exactly equal to the height of the wall. If  [#permalink]

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New post 01 Nov 2018, 02:25
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Question Stats:

70% (02:39) correct 30% (01:13) wrong based on 19 sessions

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The length of a ladder is exactly equal to the height of the wall. If a ladder is placed on a 2 ft stool, placed 10 ft away from the wall, then the top of the ladder just reaches the top of the wall.Find the height of the wall.

(A) 25
(B) 26
(C) 27
(D) 28
(E) 29
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Re: The length of a ladder is exactly equal to the height of the wall. If  [#permalink]

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New post 01 Nov 2018, 06:45
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\(10^2 + (x-2)^2 = x^2\)
x = 26
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Re: The length of a ladder is exactly equal to the height of the wall. If &nbs [#permalink] 01 Nov 2018, 06:45
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The length of a ladder is exactly equal to the height of the wall. If

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