You count them.
Let's look at a square, it has 4 edges.
Just count the sides of the shape.
Vertice = corners (point)
Faces = the flat surface areas
Edges = sides of the shape that makes up the shape like the outline of a shape.
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A triangular pyramid or tetrahedron.A triangular pyramid or tetrahedron.A triangular pyramid or tetrahedron.A triangular pyramid or tetrahedron.
A triangular base pyramid has 4 faces, 6 edges and 4 vertices
A triangular pyramid is one with a triangle shaped base and triangular sides (4 sides, all of them identical), therefore it would only have 6 edges and 4 vertices There are eight edges in a triangular pyramid, and there are five vertices on a triangular pyramid. Edges are the places where two flat surfaces meet. Vertices are the places where three or more flat surfaces meet. * * * * * The sides of a triangular pyramid need not be identical.
a square pyramid, also known as a 4 sided pyramid has 8 edges There are 4 edges where the triangular sides meet each other, and there are 4 more edges where the 4 triangular sides meet the square base.
A triangular pyramid has 4 faces 4 vertices and 6 edges.