In quadrilateral $ABCD$, $\angle A = 80^{\circ}, \angle B = 100^{\circ}, \angle C = 80^{\circ}, \angle D =…

In quadrilateral $ABCD$, $\angle A = 80^{\circ}, \angle B = 100^{\circ}, \angle C = 80^{\circ}, \angle D = 100^{\circ}$. $ABCD$ is
  1. a parallelogram
  2. a kite
  3. a trapezium only
  4. a square

Solution

Both opposite angle pairs equal.

Asked in: MH-SSC-9

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