Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 9 - Review Exercises - Page 432: 32


Right triangle

Work Step by Step

Each side of the triangle is made up of 2 radii from two different circles. Therefore their lengths are: a=1+2=3 b=2+3=5 c=3+1=4 The numbers 3,4, and 5 form a pythagorean triple, so this must be a right triangle.
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