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

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Manager
Joined: 18 Jun 2018
Posts: 236
The length of a ladder is exactly equal to the height of the wall. If  [#permalink]

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01 Nov 2018, 02:25
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Question Stats:

72% (02:35) correct 28% (01:01) wrong based on 17 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
Manager
Joined: 14 Jun 2018
Posts: 188
Re: The length of a ladder is exactly equal to the height of the wall. If  [#permalink]

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01 Nov 2018, 06:45
1
$$10^2 + (x-2)^2 = x^2$$
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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