Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 10 - Geometry - 10.2 Triangles - Exercise Set 10.2: 3


Angle A=32 degrees

Work Step by Step

3 angles in a triangle add up to 180. Step 1: Add the two given angles. 58+90=148 Step 2: Subtract 148 from 180 180-148=32 Angle A=32
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