Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 2 - Section 2.3 - Solving Right Triangles - 2.3 Problem Set - Page 79: 3

Answer

Angles and length.

Work Step by Step

Because we only know one angle of a right angled triangle which is $90˚$ and do not know the other two missing angles. There are three lengths/sides of a triangle and not all we be given by a question.
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