Circles - Chord, Segment, Arc & Sector

This lesson covers:

  1. What 'chords', 'segments', 'arcs' and 'sectors' are
  2. What we mean by 'major' and 'minor', when referring to segments, arcs, and sectors

What is highlighted in blue in the image below?

Diagram of a circle with a sector highlighted in blue.

Segment

Sector

Chord

Arc

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What is highlighted in green in the image below?

Diagram of a circle with a green highlighted segment created by a chord.

Arc

Chord

Sector

Segment

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What is highlighted in blue in the image below?

Circle with an arc highlighted in blue.

Minor arc

Major sector

Major arc

Minor sector

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What is highlighted in red in the image below?

Circle with a chord highlighted in red.

Major arc

Minor arc

Minor sector

Major sector

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Which image below shows the major sector highlighted?

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Which image below shows the minor segment highlighted?

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