Answer
P=38
Work Step by Step
AB$^2$=5$^2$+($\sqrt {11}$)$^2$
AB$^2$=25+11
AB$^2$=36
AB=6
CB=AB=6
P=AD+DC+AB+CB
P=13+13+6+6
P=38
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 8 - Section 8.2 - Perimeter and Area of Polygons - Exercises - Page 359: 7
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