None but it has 4 faces, 6 edges and 4 vertices
Chat with our AI personalities
A triangular based pyramid has no lines of symmetry. However, if each of the non-base triangular sides are equal it will have 3 planes of symmetry. If the base triangle is also equal, it will have 6 planes of symmetry.
24
It has 1 set of 3 parallel lines and 3 sets of 2 parallel lines, and 18 angles (3 sides meet at each vertex)
Both!! gezz that's easy :P
a square based pyrmaid has 24 lines of symitry