Answer
8.6(approx)
Work Step by Step
Lets take BC = b =12
h =AF = 5
Area of Parallelogram = bh
= 12 * 5 =60
Now lets take DC = AB =7 =b
h= AE
A = 7*h
As we know area of parallelogram is same
60 = 7*h
h = $\frac{60}{7}$ = 8.6(approx)
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: 50
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