Tetrahedron is the correct spelling, just as you have it.
T-E-T-R-A-H-E-D-R-O-N.
tetrahedron
fase = faces congrunt = congruent tringal = triangles I strongly recommend that you use a spell checker! Especially if you try to spell the answer which is a tetrahedron.
I am not a tetrahedron!
A tetrahedron has 4 faces.
Well, a tetrahedron has four sides. A regular tetrahedron is a triangular pyramid.
A tetrahedron must be plane faced and so, it is just an ordinary tetrahedron.
He faced a tetrahedron question in the exam paper. This is a sample sentence using the word tetrahedron.
A Tetrahedron. The most common form of a tetrahedron is called a regular tetrahedron, or a pyramid
A tetrahedron has 4 faces.
A tetrahedron has four faces.
A tetrahedron has 4 faces.
A tetrahedron has four vertices.