Maths Circles Exercise15-2
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Q1 If arcs APB and CQD of a circle are congruent, then find the ratio of AB: CD.
Q2 A and B are points on a circle with centre O. C is a point on the circle such that OC bisects ∠AOB, prove that OC bisects the arc AB.
Q3 Prove that the angle subtended at the centre of a circle is bisected by the radius passing through the mid-point of the arc.
Q4 In the given figure, two chords AB and CD of a circle intersect at P. If AB = CD, prove that arc AD = arc CB.
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