Que. Which of the following triangular pyramids have all the faces as equilateral triangles?
1. Rectangular pyramid
2. Square pyramid
3. Tetrahedron
4. None of these
EXPERTS PLEASE ANSWER AND IF OPTION IS NONE OF THESE THEN PLEASE SAY WHAT SHAPE.
Dear student
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.
So, option 3. is correct.
Regards
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.
So, option 3. is correct.
Regards