INSTRUCTIONS:

1. Read the lesson below.
2. Download and save the worksheets.
3. Complete the worksheets and ensure you teacher get the completed work.
4. Transfer the worksheets to your teacher for marking.

THE LESSON:

Today's lesson will be an introduction to the Area of a sector.

As you learnt in in lesson 3, the area of a circle is found by using the formula (pg139 formula).
Occasionally, you need to discover the area of portion of a circle - a sector of a circle.

The ability to do this

:Perimeters and Areas  
  Lesson 5-Area of a Sector  
     
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The Area of a Sector is given by the formulua:

Worksheets

Here is where you apply what you are learning:

To get you started, click here for Worked Examples.

1. Display the area of each sector as a formula

2. More complex Sector Areas

3. Calculate the area of each sector correct to 1 decimal place

4. Challenge item