A short video showing how to find right-angled triangles in other shapes to help solve geometry problems.

A tricky brainteaser has left some Reddit users scratching their heads. So can YOU easily work out how many triangles are in this image?

The question below is a geometry question from the ACT that students often have a hard time solving. It asks you to find the circumference of a circle.

A puzzle by Po-Shen Loh, a mathematician at Carnegie Mellon University. Six lines in a plane, none parallel, and no points where more than two lines intersect. How many triangles are created? Po ...

Google updated its search engine and Lens tool with new features to help you visualize and solve problems in more difficult subjects like geometry, physics, trigonometry and calculus. The update ...

This breakthrough solves a decades-old geometry problem by showing how to build objects in dimensions that we cannot envision.