Octahedron. It is two square pyramids that share a base (Imagine a pyramid from Egypt, flip it upside down, and stick that to the bottom of the original pyramid).
octahedron
it is afrog
tetrahedron
equilateral triangles
Assuming that "equal ladder" is meant to be equilateral, the answer is a tetrahedron, one of the 5 Platonic solids.
octahedron
it is afrog
Octahedron- A polyhedron with eight faces. All faces of a regular octahedron are congruent, equilateral triangles.
An octahedron.
tetrahedron
What polyhedron has eight sides and all of the are equilateral triangle?
It is a regular octahedron.
A regular octahedron.
You're an octagon.
A regular octahedron.
Their faces are equilateral triangles.
An octahedron.