A triangle is a two-dimensional shape (flat), so it has area, but not volume. The area of a triangle is half the height times the base. Multiply the height times the length of the triangle's base, then divide by 2.
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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.
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
For those of us who live in a simple Euclidian world, a triangle is a two-dimensional shape, so it doesn't have volume, only area.The formula for the area of a triangle isV= 1/2 (bh) where b=base and h=height.By the way, height must be measured perpendicular to the base.Three Dimensional FormsThere are triangles that do indeed have a volume. For example, start at the north pole (pt 1); go due south along the prime meridian through London until you hit the equator (pt 2); then go due west along the equator until you are at the 90th merdian (pt 3); now go due north, passing near Madison, Wisconsin, until you return to the North Pole. Assuming the earth is a sphere (a pretty good approximation), you have traced out a spherical triangle with three right angles!(see the related link about the spherical triangle)To get the volume, integrate the product of dA*r from zero to the max radius, R and you will get a volume of 1/3*(A+B+C-pi)*R^3 where A,B and C are the three triangle angles, pi is 3.14159265... (all of these 4 quantities in radians, or unitless). In the example above, the right angle in radians is represented as pi/2.
Volume of prism = Base area x height = 54 square metres x 23 metres = 1242 cubic metres.
The answer depends on what measurements you do have.