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From Karnataka Open Educational Resources
→Chord length and distance for centre of the circle
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====== [[Congruent chords are equidistant from the centre of a circle|Congruent chords are equidistant from the center of a circle]] ======
====== [[Congruent chords are equidistant from the centre of a circle|Congruent chords are equidistant from the center of a circle]] ======
−====== [[Angles in a circle subtended by a chord]] ======
+====== [[Angles in a circle subtended by a chord]] ======
+The angle made at the centre of a circle by the radii at the end points of a chord is called the central angle or angle subtended by a chord at the centre.
==== Concept #5: Cyclic Quadrilateral ====
==== Concept #5: Cyclic Quadrilateral ====
