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11) From the top of tower A, the angle of elevation of the top of the tower B is 46°. From the foot of tower B, the angle of elevation of the top of tower A is 28°. Both towers are on a level ground. If the height of tower B is 120m, how high is tower A in m? А. 38.6 В. 42.3 C. 44.1 D. 40.7

11) From the top of tower A, the angle of elevation of the top of the tower B is 46°. From the foot of tower B, the angle of elevation of the top of tower A is 28°. Both towers are on a level ground. If the height of tower B is 120m, how high is tower A in m? А. 38.6 В. 42.3 C. 44.1 D. 40.7

Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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11) From the top of tower A, the angle of elevation of the top of the tower B is 46°. From the foot of tower B, the angle of elevation of the top of tower A is 28°. Both towers are on a level ground. If the height of tower B is 120m, how high is tower A in m? A. 38.6 В. 42.3 C. 44.1 D. 40.7
Transcribed Image Text:11) From the top of tower A, the angle of elevation of the top of the tower B is 46°. From the foot of tower B, the angle of elevation of the top of tower A is 28°. Both towers are on a level ground. If the height of tower B is 120m, how high is tower A in m? A. 38.6 В. 42.3 C. 44.1 D. 40.7
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