lrik wants to find the height of the Tower. He's is located at the 'X' marked below. He has measured his steps to be 20 feet from the flag, and that the flag is 40 feet from the tower. Viewing from the ground, he aligns his position to see the top of the 18 foot flag with the top of the tower.  How tall is the tower?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Ulrik wants to find the height of the Tower. He's is located at the 'X' marked below. He has measured his steps to be 20 feet from the flag, and that the flag is 40 feet from the tower.

Viewing from the ground, he aligns his position to see the top of the 18 foot flag with the top of the tower. 

How tall is the tower?

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