Answer
8
Work Step by Step
Lets take MN = b =12
h =QR = 6
Area of Parallelogram = bh
= 12 * 6 =72
Now lets take PN = QM =9 =b
h= QS
A = 9h
As we know area of parallelogram is same
72 = 9h
h = $\frac{72}{9}$= 8
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 8 - Section 8.1 - Area and Initial Postulates - Exercises - Page 361: 49
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