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प्रश्न
Calculate:
- ∠CDB,
- ∠ABC,
- ∠ACB.
उत्तर
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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