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.

There’s no “perfect” or “better” body shape, experts agree — yet you still might find yourself wondering what your body shape is and what it says about your health, if anything.

2D shapes have sides and corners. A rectangle has 4 straight sides and 4 corners. A square is a special type of rectangle, where all 4 sides are the same length. Why not see how much you know ...