Elementary Geometry for College Students (6th Edition)

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

Chapter 4 - Section 4.2 - The Parallelogram and Kite - Exercises - Page 186: 30

Answer

x=2 ST=18 MN=9

Work Step by Step

ST=2(MN) x(2x+5)=2(x$^{2}$+5) 2x$^{2}$+5x=2x$^{2}$+10 5x=10 x=2 ST=2x$^{2}$+5x ST=2(2)$^{2}$+5(2) ST=8+10=18 MN=x$^{2}$+5 MN=4+5=9
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