There are more than 8 square based pyramids, so it is not clear which ones you are thinking of.
5 faces, 4 lateral faces, 1 base, 5 vertices, 8 edges.
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There are lots of different types of pyramids but a square based pyramid has 5 faces, 5 corners and 8 edges
A Cube or Hexahedron
Triangular prisms and square-based pyramids have 5 faces. Trapezoid prisms and cubes have 6 faces. Hexagonal prisms and octahedrons have 8 faces.
They have 5 sidesThey have 4 triangular faces and one square faceThe square face is on the bottomThey have 8 edgesThey have 5 verticies
There are 8 edges in a Square Based Pyramid!
An octahedron: two quadrilateral based pyramids with their bases together.
Think about 3-D shapes.Eight equilateral triangles would form two square based pyramids stuck together.Count all the lines of the shape.It will have twelve lines which would be enough lines for twelve matchsticks.
A cuboid has 8 vertices - whether it is square-based or not.
A square based pyramid has 8 edges and 5 faces.
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