Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 8 - Review Exercises - Page 398: 17

Answer

A=20

Work Step by Step

A=(.5$\times$11$\times$12)-(4$\times$4)-(.5$\times$4$\times$7)-(.5$\times$8$\times$4) A=66-16-14-16 A=20
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