Two vertical poles, 20m and 80m tall respectively, stand apart on a horizontal plane. Join the top of each pole with the foot of the other pole, creating an intersection point. How far above the ground, in meters, is the intersection point?

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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Two vertical poles, 20m and 80m tall respectively, stand apart on a horizontal plane. Join the top of each pole with the foot of the other pole, creating an intersection point. How far above the ground, in meters, is the intersection point?

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