Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. What is a quadrilateral? A quadrilateral is a four-sided shape where each of the sides are straight and ...

Hello, I’m Mr Firth and together we’re going to learn about shapes that have four sides. There are lots of shapes around us. Today we’re going to focus on shapes with four sides. Two-dimensional ...

2D shapes can be described by their sides, their angles and their symmetry. The sides might be equal in length and some might be parallel. The angles could be right angles, but sometimes they are ...