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 - Page 64: 7


$P=22\text{ in}$

Work Step by Step

The perimeter $P$ of a polygon is the sum of the length of its sides. For rectangles in particular, the formula for perimeter is $P=2b+2h$. The figure shows a rectangle with a base of $7$ and a height of $4$. We plug these values into the formula and simplify: $$P=2(7)+2(4)$$$$P=14+8$$$$P=22\text{ in}$$
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