Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 1 - Section 1.2 - Informal Geometry and Measurement - Exercises: 20a

Answer

$\approx$ 90$^{\circ}$

Work Step by Step

m$\angle$3 It looks like the corner of a piece of paper would fit in the angle.
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