There’s no shortage of things mathematicians can do with shapes.

Some of them are fun, like making fun of yourself.

Others are serious, like calculating the circumference of a circle.

And some are a little less fun, and more serious, such as using the shapes of triangles to make shapes.

The shape-making is a bit like making your own hair, and it can be done in a few easy steps.

1.

The First Thing To Do