Question
In Fig., write another name for:
(i) $\angle 1$ (ii) $\angle 2$ (iii) $\angle 3$ (iv) $\angle 4$
(i) $\angle 1$ (ii) $\angle 2$ (iii) $\angle 3$ (iv) $\angle 4$
✓
Answer
(i) $\angle B O D$ or $\angle D O B$
(ii) $\angle B O C$ or $\angle C O B$
(iii) $\angle C O A$ or $\angle A O C$
(iv) $\angle A O D$ or $\angle D O A$
(ii) $\angle B O C$ or $\angle C O B$
(iii) $\angle C O A$ or $\angle A O C$
(iv) $\angle A O D$ or $\angle D O A$
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