Terms Related to Circles
Chord, arc, sector, segment definitions.
ChordArcSector
About This Chapter
Study the properties of circles including chords, arcs, and angles. Learn important theorems about angles subtended at the centre and circumference, and explore cyclic quadrilaterals.
Start Learning →Chapter Sections
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Perpendicular to Chord
Perpendicular from centre bisects the chord.
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Equal Chords
Equal chords are equidistant from centre.
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Angle Subtended by Arc
Angles in the same segment.
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Exercise 9.1
Practice problems.
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Exercise 9.2
Practice problems.
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Exercise 9.3
Practice problems.
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Summary
Chapter summary.
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Enhanced Curriculum Support
Additional resources.