Content about “
geometry

Article

What is a square?

If a shape has equal sides with 90 degree angles between them then it's a square, right? Well, not quite...
Article

Hiding in plane sight

Flying a plane on a secret mission? Some basic geometry can help you avoid being captured by an adversary.
Collection

Proof by picture!

When it comes to doing maths, a picture can be worth a thousand equations.
Article

Parabolati

A beautiful argument to show that all parabolae are similar.
Article

Counting rose petals

The beautiful rose curve has an odd pattern to the number of its petals – this student and teacher team explain why...