Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 7 - Applications of Trigonometry and Vectors - Section 7.3 The Law of Cosines - 7.3 Exercises - Page 313: 7a

Answer

SSS

Work Step by Step

Lowercase letters represent sides of the triangle while uppercase letters represent angles of the triangle. Since a,b and c are given, this means that all the three sides and no angles are given. It is clear that SSS is given since SSS refers to the presence of three sides of the triangle.
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