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.

If you're a student in a school/college that's based in England, you might be entitled for full access to our eLearning platform where you can access to all our tutorial videos and practice questions.

Please check with the head of Maths or deputy headteacher at your school/college to request access if they've already registered to our free pilot subscription. They can always reach us at the below email:

maths@education-auditorium.co.ukÂ

Note: Due to our safeguard and chilled protection policy; we wouldn't be able to respond to students enquiries directly.

AÂ semicircleÂ is a plane figure that is formed by dividing aÂ circleÂ into exactly two parts, while aÂ quarterÂ circleÂ is aÂ quarterÂ of aÂ circle, formed by splitting aÂ circleÂ 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.

Sectors of Circles - Area of a circle sector