Question
Calculate:
(i) ∠CDB, (ii) ∠ABC, (iii) ∠ACB

Answer


Here,
∠CDB = ∠BAC = 49°
∠ABC =∠ADC = 43°
(Angle subtend by the same chord on the circle are equal)
By angle – sum property of a triangle,
∠ACB = 180°- 49° -43°= 88°

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