Elementary Geometry for College Students (6th Edition)

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

Chapter 7 - Test - Page 339: 14


80 cm

Work Step by Step

(.5s)$^2$=13$^2$-12$^2$ (.5s)$^2$=169-144 (.5s)$^2$=25 .5s=5 s=10 P=8s P=8(10) P=80
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