Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 8 - Geometry - 8.3 Rectangles and Squares - 8.3 Exercises - Page 553: 22

Answer

$A$ = 577.5 cm$^{2}$ $P$ = 97 cm

Work Step by Step

Are of a rectangle: $A$ = $l$$w$ Therefore: $A$ = (27.5 cm)(21 cm) $A$ = 577.5 cm$^{2}$ Perimeter of a rectangle: $P$ = 2($l$ + $w$) Therefore: $P$ = 2(21 cm + 27.5 cm) $P$ = 2(48.5 cm) $P$ = 97 cm
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