Question of the Day #14

All possible straight lines joining the vertices of a cube with mid-points of its edges are drawn. At how many points inside the cube do two or more of these lines meet?

Draw some triangles

Try this. With 3 straight lines, construct 9 non-overlapping triangles on an alphabet M. This appears in The Simpsons’s 26th season finale “Mathlete’s Feat”! Can you do [...]

Why is it all triangles in 3D

We see objects all the time and our brains decode the 3D shapes, but how do computers model these shapes and why break it all down to triangles?