No one knows how to find the smallest shape that can cover all other shapes of a certain width. But high school geometry is getting us closer to an answer.

News Weird News Maths 'How many triangles' maths puzzle has people struggling - despite really simple answer It took a LOT of wrong guesses to get to the right answer ...

Explore what makes a shape a triangle, a rectangle, or a square.

The Hidden Depth in Math’s Simple Puzzles Mathematician Richard Schwartz explains why he loves problems he can start solving right away, and how computers can help By Kevin Hartnett & Quanta ...

The 'how many triangles' puzzle which has recently surfaced is a case in point. It was shared by journalist Jitesh Pillai and took no time to baffle the masses.