Precalculus Enhanced with Graphing Utilities
Precalculus Enhanced with Graphing Utilities
6th Edition
ISBN: 9780321795465
Author: Michael Sullivan, Michael III Sullivan
Publisher: PEARSON
Question
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Chapter A.2, Problem 31AYU
To determine

To find: The volume V and surface area S of a closed rectangular box with length 8 feet, width 4 feet, and height 7 feet.

Expert Solution & Answer
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Answer to Problem 31AYU

V = 224  ft 3 and S = 232  ft 2 .

Explanation of Solution

Formula Used:

Volume V = lbh and surface area S = 2lh + 2wh + 2lw .

Volume of a rectangular box V = lbh = 8 × 4 × 7 = 224  ft 3 .

Surface area of a rectangular box.

S = 2lh + 2wh + 2lw = 2 × 8 × 7 + 2 × 4 × 7 + 2 × 8 × 4 = 232  ft 2

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