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 ...

Use a ruler, protractor and a pair of compasses to construct a triangle accurately. After the triangle has been constructed, leave the construction lines visible so each stage of the process is shown ...

If you’re doing something like setting posts on a slanted surface, you’ll likely need to measure the exact angle at which to cut their base so that they stand perpendicular with the ground. But you ...