A ladder leans against a vertical wall with its top 7 ft above the horizontal ground. If the top of the ladder is pulled away a distance of 1 ft from the wall, the top falls down a distance of 7 ft down the wall. Find the length of the ladder. A) 23 ft B) 26 ft C) 25 ft D) 24 ft

A ladder leans against a vertical wall with its top 7 ft above the horizontal ground. If the top of the ladder is pulled away a distance of 1 ft from the wall, the top falls down a distance of 7 ft down the wall. Find the length of the ladder. A) 23 ft B) 26 ft C) 25 ft D) 24 ft

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter5: Similar Triangles

Section5.4: The Pythagorean Theorem

Problem 18E: A hot-air balloon is held in place by the ground crew at a point that is 21 ft from a point directly...

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Question

20. A ladder leans against a vertical wall with its top 7 ft above the horizontal ground. If the top of the ladder is
pulled away a distance of 1 ft from the wall, the top falls down a distance of 7 ft down the wall. Find the length
of the ladder.
A) 23 ft
B) 26 ft
C) 25 ft
D) 24 ft

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