Arc length
Chapters
- 0:00Introduction
- 0:22Do Now
- 1:14Arc length: a fraction of the circumference
- 1:52Perimeter of a sector
- 2:17Example 1: arc length to 1 decimal place
- 2:55Example 2: perimeter of a sector
- 3:31Your turn
- 4:12Common mistake
- 4:55Worksheet and exit question
Practise arc length for 15 minutes a day in The Maths Habit, on your phone or in your browser.