Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 13, Trigonometric Ratios and Functions - 13.6 Apply the Law of Cosines - 13.6 Exercises - Skill Practice - Page 892: 2

Answer

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Work Step by Step

Heron's formula states that if you take the half-perimeter of a triangle and multiply it by the half-perimeter minus the length of each side and then take the square root, this will equal the area of the triangle.
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