Answer
$51.8 $ $cm^{2}$
Work Step by Step
Using the formula given in the previous exercise, the area of the parallelogram is: $a×b×sinγ$
$6.3cm×8.9cm×sin67.5^{\circ}=51.8 $ $cm^{2}$
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 - Section 11.4 - Applications with Acute Triangles - Exercises - Page 521: 41
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