the number edges of the base of a pyramid is onr more than the number of faces
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The question had nothing to do with pyramids and, in any case, the answer is wrong!
There are different formulae for different aspect of a triangular prism: its volume, surface area, numbers of edges, faces, or vertices. there is no single formula.
What is the formula for a triangular prism
Triangular prism = 2 triangles + 3 rectangles.
Length of prism * perimeter of triangular face.
triangular prism- formula: Abh(area of the base * height)
The answer depends on the formula for what characteristic of the prism.
It depends on triangular what: pyramid, dipyramid, prism, ...
Find the area of a triangular section, 1/2bh, and then multiply by the length of the prism.
The formula is Bxh where B is the base which is the area of the triangle and h is the height of the prism.
triangular prism triangular prism * * * * * The correct answer is an octagonal pyramid.
Assume that a = apothem length of the triangular prism, b = base length of the triangular prism, and h = height of the triangular prism. The formulas to find the surface area is SA = ab + 3bh.
It depends on the size of the triangular prism, but depending on the side of the prism you use the triangle area formula to find it or the rectangle area formula to find it.
A triangular prism can be thought of as a stack of triangles. Then the volume is equal to the area of the triangular base multiplied by the height of the prism, or 1/2 length * width * height.