. ∆ ABC ≅ ∆ ADC m ∠ B = ½ x + 20 m ∠ D = x – 30 Create an equation based on the order of vertices and solve for x.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section: Chapter Questions
Problem 32RE
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1. ∆ ABC ≅ ∆ ADC m ∠ B = ½ x + 20 m ∠ D = x – 30

Create an equation based on the order of vertices and solve for x.

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