Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 3 - Section 3.3 - Isosceles Triangles - Exercises - Page 160: 32



Work Step by Step

Perimeter of isosceles △ABC = sum of all three sides P=AB+BC+AC Let AB=x, so AC=x because isosceles triangle $36.4=x+14.4+x$ $2x=36.4-14.4$ $2x= 22$ $x=11$ So AB=11
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