4
Chat with our AI personalities
The difference in a triangular and rectangular pyramid only has to do with the base of the pyramid, which in turn decide how many sides the pyramid will have. A triangular pyramid has a base shaped like a triangle, which ends up having a total of 4 sides (including the base itself). A rectangular pyramid has a rectangular base, which ends up having a total of 5 sides (including the base itself).
The longer of the sides forming the rectangular base of the pyramid.
A Mayan pyramid has five sides, including the rectangular base.
Square Pyramid
a rectangular pyramid rectangular base and 4 triangular sides = 5 faces