20° 2х — 20° 80°

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section: Chapter Questions
Problem 1RE
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Determine, with reasons, the size of the unknown angle.

20°
2х — 20°
80°
Transcribed Image Text:20° 2х — 20° 80°
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