Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.2: The Law Of Cosines
Problem 3E
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Use the properties of isosceles and equilateral triangle to find the measure of the indicating angle .
![45°
D
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Transcribed Image Text:45°
D
B.
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