Answer
AB=11
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
Elementary Geometry for College Students (6th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
9781285195698
ISBN 13:
978-1-28519-569-8
Chapter 3 - Section 3.3 - Isosceles Triangles - Exercises - Page 146: 30
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