A side of the triangle below has been extended to form an exterior angle of 71°. Find the value of r. 20 71°

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter12: Angle Relationships And Transformations
Section: Chapter Questions
Problem 10CT
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A side of the triangle below has been extended to form an exterior angle of 71, Find
the value of a.
20
Transcribed Image Text:A side of the triangle below has been extended to form an exterior angle of 71, Find the value of a. 20
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