Answer
Area = $\frac{1}{2}$*(7.3)*(8.6)*sin 38°
Work Step by Step
Given,
b=7.3, c=8.6, α = 38°
By theorem 11.4.1
Area of triangle = $\frac{1}{2}$b*c*sinα
=$\frac{1}{2}$*(7.3)*(8.6)*sin 38°
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 11 - Section 11.4 - Applications with Acute Triangles - Exercises - Page 527: 2a
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