In a circle, four distinct points , , and lie on the circumference. Chord subtends…

MATHEMATICS · Single correct · CBSE · Mathematics · Circles · Circles

Problem

In a circle, four distinct points AA, BB, CC and DD lie on the circumference. Chord ACAC subtends angles (4x+8)∘(4x + 8)^{\circ} at BB and (3x+23)∘(3x + 23)^{\circ} at DD, where BB and DD lie in the same segment with respect to chord ACAC. Chord ADAD subtends an angle of 62∘62^{\circ} at CC, and point BB lies in the same segment as CC with respect to chord ADAD. Determine ∠ABD\angle ABD. (a) 68∘68^{\circ} (b) 62∘62^{\circ} (c) 56∘56^{\circ} (d) 60∘60^{\circ}

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