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Surface area = 2*(4*7 + 7*8 + 8*4) square feet = 2*(28 + 56 + 32) = 2*116 = 232 square feet

Q: What is the surface area of a right rectangular prism whose dimensions are 4 feet by 7 feet by 8 feet?

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432cm3

It is 180 square feet.

No. It is a parallelopiped. And, if it is a right rectangular prism then it is a cuboid.

720 in3

It is: 72A cubic inches

Related questions

432cm3

It is 180 square feet.

Assuming that it is a tank which includes a lid, the surface area is 1300 square feet.

No. It is a parallelopiped. And, if it is a right rectangular prism then it is a cuboid.

I presume you mean a rectangular prism. Assuming all the angles are right angles, so that it is a rectangular parallelepiped, the volume is just the product of the three dimensions. I get 90.

720 in3

It is: 72A cubic inches

If the prism is a rectangular parallelepiped (that is, all the angles are right angles), just add the squares of the 3 dimensions (length, width, and height) together, and take the square root. This involves 2 applications of the Pythagorean Theorem.

no

The dimensions given do not support Pythagoras' theorem for a right triangular prism which will have a right angle triangle at each end

Assuming you mean a rectangular prism, you get the smallest surface area if the prism is a cube. You can calculate the required length of side to get that volume; then, based on that, the corresponding surface area.

yes, they are different.