   Chapter 9.1, Problem 32E Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085

Solutions

Chapter
Section Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085
Textbook Problem

Use the formulas and drawing in Exercise 31 to find ( a ) the total area T and (b) the volume V of a cube with edges of length 5.3 ft each.A cube is a right square prism in which all edges have the same length. For the cube with edge e , a ) Show that the total area is T = 6 e 2 . b ) find the total area if e = 4 cm. c ) Show that the volume is V = e 3 . d ) find the volume if e = 4 c m . To determine

a)

The total area T and.

Explanation

The total area of any solid is the area of all the number of lateral sides that it have, including the area of the top and the bottom of solid.

The volume of any solid is the region of space occupied by it and in general the volume of a solid is given by the product of its base area and altitude.

Calculation:

Given,

The cube of edge e=5.3 ft.

From exercise 31, the total area T of the cube is given by

T=6e2

But, we have e=5

To determine

b)

The volume V of a cube with edges of length 5.3 ft each

Using the formula and drawing in Exercise 31

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