Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 8 - Test - Page 387: 7


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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