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Chapter 7 Area and Volume

7.5 Sectors of Circles

A semicircle is a plane figure that is formed by dividing a circle into exactly two parts, while a quarter circle is a quarter of a circle, formed by splitting a circle into 4 equal parts or a semicircle into 2 equal parts. In this section, we learn about area of a circle sector.


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A semicircle is a plane figure that is formed by dividing a circle into exactly two parts, while a quarter circle is a quarter of a circle, formed by splitting a circle into 4 equal parts or a semicircle into 2 equal parts. In this section, we learn about area of a circle sector.

Calculating the area and perimeter of semicircles and quarter circles.

7.5 Sectors of Circles

Sectors of Circles - Area of a circle sector

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