Summary (Grade 11 NSC Matric Mathematics): Flashcards
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Practise the cards
10 cards from this deck
Chord definition
Chord definition
Straight line joining endpoints of an arc
Diameter in terms of radius
Diameter in terms of radius
Tangent definition
Tangent definition
Line touching circle at exactly one point
Perpendicular from centre to chord does what
Perpendicular from centre to chord does what
Bisects the chord
Central angle vs inscribed angle (same arc)
Central angle vs inscribed angle (same arc)
Central angle is twice the inscribed angle
Cyclic quadrilateral definition
Cyclic quadrilateral definition
4-sided polygon with all vertices on circle
Opposite angles in cyclic quad sum to
Opposite angles in cyclic quad sum to
(supplementary)
Tangent orientation to radius at contact
Tangent orientation to radius at contact
Perpendicular to the radius
Tangents from same external point are
Tangents from same external point are
Equal in length
Tangent-chord angle equals
Tangent-chord angle equals
Angle in the alternate segment