A protractor is used to draw and measure angles. An angle is the amount of turn between two lines. Angles are measured in degrees with the symbol °. Angles can be labelled with 3 letters (eg DEF) to ...

An angle is a way of describing the space between 2 lines that begin at the same point. An angle is a measure of how much you have to turn one of the lines so that it perfectly overlaps with the other ...