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.

Chord

Sector

Arc

Segment

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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.

Chord

Arc

Sector

Segment

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1

What is highlighted in blue in the image below?

Circle with an arc highlighted in blue.

Major sector

Major arc

Minor sector

Minor arc

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1

What is highlighted in red in the image below?

Circle with a chord highlighted in red.

Major sector

Major arc

Minor sector

Minor arc

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1

Which image below shows the major sector highlighted?

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1

Which image below shows the minor segment highlighted?

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1