A tetrahedron has 4 sides, and Tetris is derived from 'tetra' meaning 'four'. It's all in the amount.
He faced a tetrahedron question in the exam paper. This is a sample sentence using the word tetrahedron.
The word "Tetris" is comprised of the Greek numerical prefix "tetra-" (meaning all of the game's pieces contain four segments) and tennis, Pajitnov's (the creator of Tetris) favorite sport.
"Tetra" is the Greek word for "four," and the word "hedron" translates to "face." So a tetrahedron has four faces, all of which are triangles.
A tetrahedron ABCD is isosceles if AB=BD, AC=BD, and AD=BC. In other words, in an isosceles tetrahedron the opposite edges are equal. See the related link for more information.
Tetrahedrons have many sides.
A pyramid with a triangle as base is considered as a tetrahedron. It is a three dimensional polyhedron with 4 equilateral triangles as its sides. If one would look at the word tetrahedron, it literally means "with four planes".
because of its tetrimino that have the number of sides in some polygon
I am not a tetrahedron!
Probably the word should be "vertices" - the answer is 4. See http://en.wikipedia.org/wiki/Tetrahedron.
There is no "Cheats" in any Tetris games made by the Tetris company.
Tetris happened in 9801.
You can play free Tetris at freetetris.ca. They have a lot of free online Tetris games available. You can play Tetris with friends online at tetrisfriends.com. There is also freetetris.org -- see Related Link.