On the level ground at the base of a tall wall a line is drawn on the wall at an angle of elevation of 30° to the right. One hundred feet to the right on the ground to that same wall another line is drawn on the wall at an angle of elevation of 40° to the left. Those two lines will eventually intersect. At what height above the ground will that occur?

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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On the level ground at the base of a tall wall a line is drawn on the wall at an angle of elevation of 30° to the right. One hundred feet to the right on the ground to that same wall another line is drawn on the wall at an angle of elevation of 40° to the left.

Those two lines will eventually intersect. At what height above the ground will that occur?

√201
100'
40°
Transcribed Image Text:√201 100' 40°
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