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 4 - Section 4.4 - The Trapezoid - Exercises - Page 213: 42

Answer

DC=26 feet

Work Step by Step

DC$^{2}$=AB$^{2}$+(BC-AD)$^{2}$ DC$^{2}$=576+100 DC$^{2}$=676 DC=26
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