CPM Homework Help : CCG Problem 12-76

A net comprised of 6 rectangles aligned as follows: #1, 5 across & 4 down, #2, which is below #1, 5 across & 2 down, #3 which is right of # 2, 4 across & 2 down, #4 which is right of #3, 5 across & 2 down, #5 which is below #2, 5 across & 4 down, #6 which is left of #5, 2 across & 4 down. Find the volume and surface area of the box formed by the shaded net at right.

Hint:

To find the surface area, find the area of each of the regions and sum them.

To find the volume, choose one area to be the base,
find the area and multiply it by the height.

Answer:

$\text{Volume}=40\;\text{un}^3$