Recalling segments of a circle — lesson. Mathematics CBSE, Class 10.

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In this section, let us recall the sectors and segments of a circle.

The sector of a circle:

Two radii enclose the circular region's portion (or part), and the corresponding arc is called a sector of the circle.

Here, sector

$OAQB$ is the major sector, and sector

$OAPB$ is the minor sector.

The segment of a circle:

The portion (or part) of the circular region enclosed between a chord and the corresponding arc is called a segment of the circle.

Here,

$AQB$ is the major segment and

$APB$ is the minor segment.

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1. Recalling segments of a circle