Find the total surface area for the rectangular prism.
The rectangular prism shown is 8 inches by 7.5 inches by
6 inches.
Use the formula:
Now, substitute
B.
1.5
for P,
for h and
Rewrite the formula with the numbers:
The total surface area is:
Next find just the lateral surface area
Use the formula:
Now, substitute
for P and for h.
The lateral surface area is:
Rewrite the formula with the numbers:
for