Securing the skill of using a pair of compasses | Maths

Starter quiz

In which image is the radius labelled with a question mark?
An ______ of a circle is part of the circle’s circumference.
- 'arc' ✓
Points A and B are ______ from a third point C if AC = BC.
- equidistant ✓
- horizontal
- parallel
- vertical
The radius of a circle is 18 cm. The diameter of the circle is ______ cm.
- '36' ✓
In which image would the pair of compasses draw a circle with a diameter of 6 cm.
Alex draws a circle with a pair of compasses. The image shows the pair of compasses just before he draws the circle. What is the circumference of Alex's circle?
- 5 $\pi$ cm
- 10 $\pi$ cm
- 20 $\pi$ cm ✓