I don't think any of them are. At least Khufu and Cheops aren't. They're square.
yes all triangular pyramids are tetrahedra!!!!!!!!!!!!!
All the large pyramids in Egypt, Mexico, etc are all rectangular pyramids. All have a square or rectangular base and four triangular sides meeting at a point. ■
no
no
no
you can see them all over the world but Egypt has the most famous pyramids of all
the triforce All triangular pyramids, also called tetrahedrons, have a triangular base. All triangular antiprisms, also called octahedrons, have a triangular base. All triangular prisms have a triangular base.
there are 180 in Egypt
In Egypt .Pyramids were built all over the world, but probably the most famous of them all are the Great Pyramids of Giza, in Giza, Egypt.
No. All pyramids have four or more vertices (because a triangular pyramid has four).
they are both types of pyramidsThey're both triangular pyramids, and all of them have a base, multiple faces, and at one end the faces come to a point.* * * * *They are NOT both triangular pyramids!
All but one face must be triangular. The base can be any polygon, including a triangle.