Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. They all have straight rays or sides if they're part of a shape and a vertex, that's the point where ...

Learn how to identify different types of lines, including vertical, horizontal, parallel and perpendicular. Parallel and perpendicular lines Discover the difference between parallel and perpendicular ...

It is important to remember other angles rules, such as angles on a straight line add up to 180°, and to recognise angles in parallel lines. Make sure you are confident in applying Pythagoras’ theorem ...