Elementary Geometry for College Students (6th Edition)

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

Chapter 3 - Section 3.3 - Isosceles Triangles - Exercises - Page 147: 40c



Work Step by Step

AR=BR=BT=7.6 RT=AT-AR RT=12.3-7.6 RT=4.7 P=BR+BT+RT P=7.6+7.6+4.7 P=19.9
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