To calculate: The total surface area of the solid.
Answer to Problem 40WE
The total surface area of the solid is
Explanation of Solution
Given information:
The solid is provided below,
Formula used:
The total surface area is sum of area of all faces of a solid.
The area of rectangle with length l , width bis
The area of square with side sis
Calculation:
Consider thesolid provided below,
Recall that the total surface area is sum of area of all faces of a solid.
Compute the areas of all the faces in the figure provided above.
The back side of the figure is a rectangle with length
Therefore, area is
For the front side
There are 4 rectangles with length
Therefore, area is
Also, there are two big rectangles on each side with length
Therefore, area is
And, there are 3 rectangles on top and 3 on bottom with length
Therefore, area is
Total surface area is, apply it,
Thus, the total surface area of the solid is
Chapter 4 Solutions
Algebra: Structure And Method, Book 1
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