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(1/2bxh)xl is the formula for a triangular prism

Q: What is the formula for the volume of a 3-d triangle?

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There is none because a triangle is a 2D shape and volume measures 3D shapes ----------------------------------------------------------------- There is not one. Triangles are two dimensional, volume is three dimensional, a triangle can therefore have an area but not a volume.

A right angle triangle is a plane figure not a 3d one.

Well it depends on what kind of 3d shape it is. There is a formula to find the volume of each 3d shape. The main formula for volume is Bxh. (Big B multiplied by the height.) Bxh means the area of the base times the height.

A triangle is a 2 dimensional object, it cannot therefore have a volume (which is a property of 3D objects.However, if you meant area, then it's half the base length multiplied by the height.

K, well there is no surface area of a triangle, because a triangle is a 2s figure. Surface area is for a 3d figure. To find the regular area of a triangle the formula is 1/2 of the base X the height :) gl :P

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There is none because a triangle is a 2D shape and volume measures 3D shapes ----------------------------------------------------------------- There is not one. Triangles are two dimensional, volume is three dimensional, a triangle can therefore have an area but not a volume.

There is no such thing as a 3D triangle.

A right angle triangle is a plane figure not a 3d one.

V= area of the triangle x length

Well it depends on what kind of 3d shape it is. There is a formula to find the volume of each 3d shape. The main formula for volume is Bxh. (Big B multiplied by the height.) Bxh means the area of the base times the height.

There is not one. Triangles are two dimensional, volume is three dimensional, a triangle can therefore have an area but not a volume.

The volume of a triangle can be calculated with the formula: volume=1/2*length*width*height.

There is none because a triangle is a 2D shape -------------------------------------------------------------------------------- There is not one. Triangles are two dimensional, volume is three dimensional, a triangle can therefore have an area but not a volume.

A triangle is a 2D shape, so as such it has no volume. (Since it is a length and a width, but has no depth). The equivalent of a triangle in 3D is a triangular based pyramid, which clearly does have a volume. You may have meant "area" rather than volume?

least volume and most surface area is 3D triangle

Volume. The formula depends on the shape.

A triangle is a 2 dimensional object, it cannot therefore have a volume (which is a property of 3D objects.However, if you meant area, then it's half the base length multiplied by the height.