If all the straight sides of a shape are the same length and interior angles are the same size, then it is a regular polygon. If the length of the sides are different and the angles are not the ...

There’s no “perfect” or “better” body shape, experts agree — yet you still might find yourself wondering what your body shape ...

How to identify different 2D shapes Find out about regular 2d shapes and irregular polygons. What are the types of triangle? Find out about scalene, equilateral, isosceles and right-angled triangles.