Answer
$ 53900 \,in^2$
Work Step by Step
$B = 180-(A+C) = 47.8^\circ$
$S = \dfrac{c^2 \sin{A} \sin{B}}{2\sin{C}} = \dfrac{(240)^2 \sin{110.4} \sin{47.8}}{2\sin{21.8}}$
$S = 53900 \,in^2$
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 7 - Section 7.4 - The Area of a Triangle - 7.4 Problem Set - Page 396: 20
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
