It is a tetrahedron pyramid
A triangular pyramid is a pyramid having a triangular base. The tetrahedron is a triangular pyramid having congruent equilateral triangles for each of its faces.
The Great Pyramids at Giza are, but the Meso-Americans were truncated.
YesA triangular pyramid is a pyramid having a triangular base. The tetrahedron is a triangular pyramid having congruent equilateral triangles for each of its faces.
It is a regular triangle pyramids
A square, a cube, a diamond, a equilateral triangle, a triangular based pyramid made of equilateral triangles...
An equilateral triangular pyramid
Many different types, but mostly equilateral triangles.
It is a tetrahedron pyramid
A tetrahydron is a triangular pyramid having congruent equilateral triangles for each of its faces.
3 rectangles and 2 equilateral triangles
on some flags around the world! :)
A triangular pyramid is a pyramid having a triangular base. The tetrahedron is a triangular pyramid having congruent equilateral triangles for each of its faces.
All isosceles triangles are not equilateral triangles
The Great Pyramids at Giza are, but the Meso-Americans were truncated.
All isosceles triangles are not equilateral triangles
YesA triangular pyramid is a pyramid having a triangular base. The tetrahedron is a triangular pyramid having congruent equilateral triangles for each of its faces.