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A sector is a portion of a circle that can be defined based on the four points mentioned below: A portion of a circle is covered by two radii and an arc. A circle is divided into two sectors and the divided parts are known as minor sectors and major sectors.
Illustrated definition of Sector: A pie-slice part of a circle - the area between two radiuses and the connecting arc...
A circle has an angle of 2 π and an Area of: πr2. A Sector has an angle of θ instead of 2 π so its Area is : θ 2π × πr2. Which can be simplified to: θ 2 × r2. Area of Sector = θ 2 × r 2 (when θ is in radians) Area of Sector = θ × π 360 × r 2 (when θ is in degrees)
Sector. A sector is a part of a circle enclosed by two radii and an arc. In the figure below are three sectors of a circle. We see sectors all around us in our everyday lives. A slice of pizza is a sector; a window pane divides a circular window into sectors.
As you can see from the figure above, a sector is a pie-shaped part of a circle. It has two straight sides (the two radius lines), the curved edge defined by the arc, and touches the center of the circle.
The sector is basically a portion of a circle which could be defined based on these three points mentioned below: A circular sector is the portion of a disk enclosed by two radii and an arc. A sector divides the circle into two regions, namely Major and Minor Sector.
A sector of a circle is a portion or part of a circle that is composed of an arc and its two radii. You can compare the sector of a circle to the shape of a pizza slice. A sector is formed when two radii of the circle meet at both ends of the arc. An arc is simply a portion of the circumference of the circle. Sector of a Circle Definition.
