Geometry: Common Core (15th Edition)

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

Chapter 1 - Tools of Geometry - 1-8 Perimeter, Circumference, and Area - Practice and Problem-Solving Exercises: 9

Answer

38 ft

Work Step by Step

To find how much fencing is needed to surround the walkway, calculate the perimeter of the walkway. Since 2 feet are added to each side of the garden to create the walkway, add 4 to the dimensions of the garden to find the dimensions of the walkway. base(b)$=5+4=9$ height(h)$=6+4=10$ Use the formula for perimeter and substitute. $P=2b+2h=2(9)+2(10)=18+20=38$
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