Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.1: Rectangular Coordinate Systems
Problem 15E
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Question
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Expert Solution
Step 1: External angle theorem of a triangle
According to External Angle theorem of a triangle , An ecterior angle of a triangle is equals to
the sum of two interior angles
Given Interior angles are
Given Exterior angle is
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