Difference between revisions of "Circles"

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(Concept Lectures)
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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 22:19, 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.