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Area and Circumference of Sectors of Circles

Area and Circumference of Sectors of Circles

Author: Kelsey Hennen

This packet covers all you need to know about sectors of a circle.

This packet uses notesheets and examples to explain what a sector of a circle is and how to find its perimeter and area.

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Circumference of a Circle = 2¶r


Area of a Circle = ¶r2

     *You can remember this one is area because the r is squared!

Key Terms

Area of a Sector

Perimeter of Sector