Now, more than 122 years after it was first proposed, Kamata and two other mathematicians have finally proved that a solution ...

Write down the words: sides, angles, lines of symmetry, tessellation. Can the children use any of these words in a description about an equilateral triangle? Watch the clip as inspiration for how ...

Types of triangle Find out about scalene, equilateral, isosceles and right ... a formula to work out the area of a flat shape. What is tessellation? Find out how tessellation is when shapes ...