Answer
2° 29'
Work Step by Step
1. Interior angles of triangle add up to 180 degrees. To find one of the interior angles just subtract two interior angles from 180 degrees.
$x=180^{\circ}-147^{\circ}12'-30^{\circ}19'=2^{\circ}29'$
Trigonometry (11th Edition) Clone
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
978-0-13-421743-7
ISBN 13:
978-0-13421-743-7
Chapter 1 - Trigonometric Functions - Section 1.2 Angle Relationships and Similar Triangles - 1.2 Exercises - Page 16: 25
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