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

Chord

Sector

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.

Sector

Segment

Chord

Arc

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What is highlighted in blue in the image below?

Circle with an arc highlighted in blue.

Major arc

Minor arc

Major sector

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 sector

Major sector

Minor arc

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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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