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Q: How do you find the volume and surface area of a triangle or prism?

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Surface area of the triangle x the length of the prism.

You can't derive the volume from the surface area.

Area of triangle * 2 + perimeter of triangle * length.

Area of triangle * 2 + perimeter of triangle * length.

The surface are of a right prism is equal to twice the area of its base plus the perimeter of the base multiplied with the height of the prism. The volume can be determined by multiplying the Area of the base by the height of the prism.

To find the volume of a triangular prism, find the area of one of the triangles (base of the prism) first (base x height divided by 2). When you have the area of the triangle, then multiply the area of the triangle by the height of the prism, *not the height of the base.

Surface area is squared; volume is cubed.

A surface area would be vital for determining volume

No.

the volume of a prism where the planes of the two triangles are parallel is: area of base *absolute height. the base is a triangle, which has an area of base*height.

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.

The area of the cross section (the triangle) muliplied by the length of the prism. Area of triangle= 0.5 x base x height Then mulitply by the length the prism goes back

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