MCQ
Two lines AB and CD intersect at O. If $\angle A O C+\angle C O B+\angle B O D=270^{\circ}$, then $\angle A O C=$
- A$70^{\circ}$
- B$80^{\circ}$
- ✓$90^{\circ}$
- D$180^{\circ}$
✓
Answer
Correct option: C.
$90^{\circ}$
c
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