MCQ
A quadrilateral $ABCD$ is a parallelogram if:
- ✓$\angle\text{A} = 60^\circ, \ \angle\text{C} = 60^\circ,\ \angle\text{B} = 120^\circ$
- B$\text{AB = CD}$
- C$\text{AB = AD}$
- D$\text{AB || BC}$
✓
Answer
Correct option: A.
$\angle\text{A} = 60^\circ, \ \angle\text{C} = 60^\circ,\ \angle\text{B} = 120^\circ$
$\angle\text{A} = 60^\circ, \ \angle\text{C} = 60^\circ,\ \angle\text{B} = 120^\circ$
Opposite angles are equal and sum of adjacent angles are supplementary.
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