Difference between revisions of "Circles"
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[https://youtu.be/2Imp9qGgukE/ Session 06] : Theorem: The perpendicular from the center of a circle to a chord bisects the chord | [https://youtu.be/2Imp9qGgukE/ Session 06] : Theorem: The perpendicular from the center of a circle to a chord bisects the chord | ||
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| + | [https://youtu.be/OEsl1pEVTvw/ Session 07] : Theorem: The line joining the center and the mid-point of a chord is perpendicular to the chord. | ||
Revision as of 21:19, 26 January 2020
Concept Lectures
Session 01 : Circles: Definition, centre, radius, interior and exterior of a circle
Session 02 : Circles: Minor Arc, Major Arc, Central Angle
Session 03 : Circles: Chord, diameter, segment, major segment, minor segment, secant and tangent
Session 04 : Theorem: If two arcs of a circle (or of congruent circles) are congruent, then corresponding chords are equal.
Session 05 : Theorem: If two chords of a circle (or of congruent circles) are equal, then corresponding arcs are congruent.
Session 06 : Theorem: The perpendicular from the center of a circle to a chord bisects the chord
Session 07 : Theorem: The line joining the center and the mid-point of a chord is perpendicular to the chord.
