Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 1 - Tools of Geometry - Chapter Test - Page 75: 12



Work Step by Step

The Segment Addition Postulate tells us that $AE+EY=AY$ Since $AE=EY$, we can substitute EY for AE in the formula. $EY+EY=AY$ Substitute the given value for EY. $3.5+3.5=AY$ $7=AY$
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