Elementary Geometry for College Students (7th Edition) Clone

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 8 - Test - Page 398: 7

Answer

24 cm$^2$

Work Step by Step

A=$\sqrt {s(s-a)(s-b)(s-c)}$ A=$\sqrt {16(12)(3)(1)}$ A=$\sqrt {576}$ A=24
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