Elementary Geometry for College Students (7th Edition) Clone

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: 33

Answer

x=12

Work Step by Step

Perimeter P= AB+BC+AC AB=AC because isosceles triangle on putting values 40= x+x+4+x 3x=36 x=12
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