## Basic College Mathematics (9th Edition)

Published by Pearson

# Chapter 8 - Geometry - 8.3 Rectangles and Squares - 8.3 Exercises: 32

#### Answer

a) 5 ft x 1 ft = 5ft$^{2}$ 4 ft x 2 ft = 8ft$^{2}$ 3 ft x 3 ft = 9 ft$^{2}$ b) 3 ft x 3 ft has the greatest area.

#### Work Step by Step

Area of a rectangle: $A$ = $l$$w Area of a square: A = s$$^{2}$ $A$ = $l$$w A = (5 ft)(1 ft) A = 5ft^{2} A = l$$w$ $A$ = (4 ft)(2 ft) $A$ = 8ft$^{2}$ $A$ = $s$$^{2}$ $A$ = (3 ft)$^{2}$ $A$ = 9 ft$^{2}$

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