8.2 Surface Area of Prisms

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question
What is surface area?
answer
The sum of the areas of all of its faces. You can use a two-dimensional representation of a solid, called a net, to find the surface area of the solid.
question
Find the surface area of the rectangular prism.
258 square meters
answer
258 square meters
question
Find the surface area of the rectangular prism.
180 square inches
answer
180 square inches
question
Find the surface area of the rectangular prism.
286 square feet
answer
286 square feet
question
Find the surface area of the triangular prism.
60 square yards
answer
60 square yards
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420 square meters
answer
420 square meters
question
Find the surface area of the triangular prism.
299.32 square feet
answer
299.32 square feet
question
A gift box is the shape of a rectangular prism measures 8 inches by 8 inches by 10 inches. What is the least amount of wrapping paper needed to wrap the gift box?
answer
448 square inches. The surface area of the box is 448 square inches so that is the least amount of paper needed to cover the box.
question
Find the surface area of the triangular prism.
356 square inches
answer
356 square inches
question
Find the surface area of the triangular prism.
137.1 square cm
answer
137.1 square cm
question
Find the surface area of the rectangular prism.
314 square meters
answer
314 square meters
question
166 square cm
answer
166 square cm
question
264 square m
answer
264 square m
question
You want to make a rectangular prism out of cardboard. The base is 3 feet by 4 feet. The height is 2 feet. You have $5.00 and cardboard costs $0.10 per square foot. Do you have enough money? If not, how much more money do you need?
answer
No, you do not have enough money. You would need $0.20 more.
question
Find the surface area of the triangular prism.
300 square inches
answer
300 square inches
question
A pint of paint covers 25 square feet. How many pints should you buy to paint the bean-bag toss ramp with two coats? Assume you will not paint the bottom of the ramp or inside the square hole on the top.
3 pints
answer
3 pints
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