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

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Senior Manager
Joined: 18 Jun 2018
Posts: 263
The length of a ladder is exactly equal to the height of the wall. If  [#permalink]

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01 Nov 2018, 03:25
1
00:00

Difficulty:

25% (medium)

Question Stats:

75% (02:55) correct 25% (01:42) wrong based on 26 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: 219
Re: The length of a ladder is exactly equal to the height of the wall. If  [#permalink]

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01 Nov 2018, 07:45
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   [#permalink] 01 Nov 2018, 07:45
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