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In the figure, AB is a diameter of a circle with centre O and CD. If ∠BAC = 20∘, find the values of (i)∠BOC (ii)∠DOC (iii)∠DAC (iv)∠ADC |
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Answer» In the figure, AB is a diameter of a circle with centre O and CD. If ∠BAC = 20∘, find the values of (i)∠BOC (ii)∠DOC (iii)∠DAC (iv)∠ADC
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