a.
To find: The total surface area of a cube in which each edge has a measure of 5.
a.

Answer to Problem 5PSA
The total surface area is
Explanation of Solution
Given information:
A cube in which each edge has a measure of 5.
Formula used:
Area of square:
s = side of square
Calculation:
There are 6 squares in a cube.
Total surface area = Area of square
Total surface area
Total surface area
b.
To calculate: The total area of surface in a cube having each edge a measure of 7.
b.

Answer to Problem 5PSA
The total surface area is
Explanation of Solution
Given information:
A cube in which each edge has a measure of 7.
Formula used:
Area of square:
s = side of square
Calculation:
There are 6 squares in a cube.
Total surface area = Area of square
Total surface area
Total surface area
Chapter 12 Solutions
Geometry For Enjoyment And Challenge
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