3. A man whose eyes are 1.5m above his sole stands on a 45-meter high building. The angle of depression of the top and foot of a nearby building are 45° and 80° respectively. Find the height of the nearby 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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Answer number 3 

3. A man whose eyes are 1.5m above his sole stands on a 45-meter
high building. The angle of depression of the top and foot of a
nearby building are 45° and 80° respectively. Find the height of
the nearby building.
4. A ladder 20 ft long leans against a sloping embankment, its foot
Transcribed Image Text:3. A man whose eyes are 1.5m above his sole stands on a 45-meter high building. The angle of depression of the top and foot of a nearby building are 45° and 80° respectively. Find the height of the nearby building. 4. A ladder 20 ft long leans against a sloping embankment, its foot
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