Elementary Geometry for College Students (6th Edition)

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

Chapter 6 - Review Exercises - Page 307: 26


AC=35 DE=17.5

Work Step by Step

AC=DF x+28=x$^2$-2x x$^2$-3x+28=0 (x-7)(x+4)=0 x=7 AC=7+28 AC=35 DE=.5AC DE=.5(35) DE=17.5
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