- represented by r
Diameter - distance across a circle through its centre
- represented by d
A diameter is 2 radii.
Construct a circle with a radius of 4cm.
1. Start with centre of a circle.
2. Measure the length of a radius on a string.
3. Pencil at one end of string and pin the string in the centre of the circle.
4. Trace an arc around the centre.
Using a compass:
1. Measure a line the length of a radius.
2. Sharp point of compass in the centre of the circle.
3. Pencil at the other end of the line.
4. Draw an arc around the centre.
pages 270-272
# 1-15
Do literacy link also.
Video/s and Link/s
