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 ...

If you think creatively, you can often use existing tools in useful new ways. The free GNU Image Manipulation Program has a Paths tool that assists with drawing shapes. You can also use it to draw ...

Constructions (accurate drawings) can be made using a ruler, a pair of compasses and a pencil. A line which cuts an angle into two equal side angles is called an angle bisector. In geometry a ...