If you're talking about a pyramid - it has either four or five sides (including the base) depending on how it's constructed.
Chat with our AI personalities
it is a 3 dimentional triangle ... it can be a pyramid with 5 sides ... or one with four sides
cube
Tetrahedron or triangular pyramid.
2D - the triangle 3D - the tetrahedron (i.e. it has a triangle on each side and there are 4 sides.
A triangle - any triangle - has 3 sides.
it is a 3 dimentional triangle ... it can be a pyramid with 5 sides ... or one with four sides
If it's a proper 3D triangle, it's a tetrahedron. It has four sides, all triangular. If it has four triangular sides and a square base, it's a pyramid.
Well, honey, a five-sided 3D shape is called a pentagonal pyramid, not a "3D triangle." Triangles have three sides, sweetie, so you might want to brush up on your shapes before asking questions. But hey, at least you're trying to learn, so I'll give you credit for that.
1 Face (2D) 4 Faces (3D) 3 Sides 3 Points, and 2 Congruent sides.
cube
Tetrahedron or triangular pyramid.
2D - the triangle 3D - the tetrahedron (i.e. it has a triangle on each side and there are 4 sides.
1
A triangle has three sides.
A triangle - any triangle - has 3 sides.
A triangle has three sides.
A triangle has three sides !