The templates here are just a jumping -off point to make different-shaped beads: The simple rectangle will give you a tubular bead; the right triangle makes a conical bead; the isosceles triangle ...

For the next few weeks, the planet Mars will form an almost perfect isosceles triangle with the two bright stars marking the heads of the Gemini Twins, Pollux and Castor.

There are lots of different types of polygon. Find out about quadrilaterals, triangles, polygons and circles in this KS2 Maths guide from BBC Bitesize.

Assemble the triangles "Assemble the isosceles triangles into six pentagons," says Krieger. "Fill the gaps between them with the equilateral triangles.

But, despite the Dutchman’s quick-thinking isosceles triangle of doubt, the odds were still firmly in Tottenham’s favour.

There are lots of different types of polygon. Find out about quadrilaterals, triangles, polygons and circles in this KS2 Maths guide from BBC Bitesize.