For Lebo standing at Point A, (TF) is 40°. Lebo then walks 5 elevation to the top is now 31 distance AF. Find equations fo height of the building.

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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L ch
13. For Lebo standing at Point A, the angle of elevation of the top of the building
(TF) is 40°. Lebo then walks 50 m directly away from the building. The angle of
elevation to the top is now 31°. Let h be the height of the building and x be the
distance AF. Find equations for h and x and then use these equations to find the
height of the building.
B
31
40
50 m
A
F
Transcribed Image Text:L ch 13. For Lebo standing at Point A, the angle of elevation of the top of the building (TF) is 40°. Lebo then walks 50 m directly away from the building. The angle of elevation to the top is now 31°. Let h be the height of the building and x be the distance AF. Find equations for h and x and then use these equations to find the height of the building. B 31 40 50 m A F
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