a triangle * * * * * Wrong on at least two counts: A triangle need not be irregular and a triangle is not a three dimensional shape. Any pyramid other than a regular triangular pyramid (tetrahedron), any prism other than a cube are some examples.
A tetrahedron is a four sided polyhedron. Each face is a triangle. If it is a regular tetrahedron, then each face is an equilateral triangle.
Triangle In a tetrahedron, all sides are triangles
No, tetrahedron is a polyhedron with four faces.
tetrahedron
It is an irregular tetrahedron or triangle-based pyramid.
a triangle * * * * * Wrong on at least two counts: A triangle need not be irregular and a triangle is not a three dimensional shape. Any pyramid other than a regular triangular pyramid (tetrahedron), any prism other than a cube are some examples.
A tetrahedron is a four sided polyhedron. Each face is a triangle. If it is a regular tetrahedron, then each face is an equilateral triangle.
Triangle In a tetrahedron, all sides are triangles
No, tetrahedron is a polyhedron with four faces.
tetrahedron
Tetrahedron
Tetrahedron
A scalene triangle is irregular. Only an equilateral triangle is regular.
A tetrahedron.
A tetrahedron (triangular pyramid).
triangle - it is planar