Key learning points

1. A pair of compasses can be used to draw a circle with a particular radius.
2. A pair of compasses can be used to draw two circles that intersect.
3. A pair of compasses can be used to draw two circles that only intersect once.

Keywords

• Radius - The radius is any line segment that joins the centre of a circle to its edge.

• Compass - A pair of compasses is a tool which can be used to draw circles and arcs. A pair of compasses is sometimes referred to just as a compass.

Common misconception