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

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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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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