The Maths Habit

Area of a sector

Perimeter and area · Foundation and Higher · 5:56

Worksheet (PDF) Answers (PDF)

Chapters

  1. 0:00Introduction
  2. 0:19Do Now
  3. 1:09A sector is a fraction of the circle
  4. 1:55Area of a sector = angle/360 × πr²
  5. 2:28Example 1: angle and radius given
  6. 3:08Example 2: a semicircle, diameter given
  7. 3:43Your turn
  8. 4:15Common mistake
  9. 4:55Worksheet and exit question

Practise the area of a sector for 15 minutes a day in The Maths Habit, on your phone or in your browser.

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