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4. The angle at B 12'-0" A 16' - 0" B D 16'-0" 16'-0" C

4. The angle at B 12'-0" A 16' - 0" B D 16'-0" 16'-0" C

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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4. The angle at B 12'-0" A 16'-0" B D - 16'-0" + 16'-0"
Transcribed Image Text:4. The angle at B 12'-0" A 16'-0" B D - 16'-0" + 16'-0"
Expert Solution
Step 1: Given information

The length we used for finding the angle at B 

AD equals space 16

DC equals space 32

BD equals space 12

As we know that 

tan theta space equals space fraction numerator p e r p e n d i c u l a r over denominator b a s e end fraction

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