This KS2 maths article explores how an angle is a measure of a turn. Learn how to draw and measure angles using a protractor.

Show answer Example 2 Imagine you don't have a set square, but need to draw a right angle using a pen or pencil. What item could you use to help draw the correct angle?

Set squares are drawing instruments used to create vertical, horizontal, and diagonal lines as well as certain angles. They may be shaped as squares, Ls, or triangles, although in American usage set ...