Question

can a quadrilateral abcd be a parallelogram if
angle a +anglec=180​

Answer 1

Answer:

no

Step-by-step explanation:

in parallelogram opposite angles must be equal , that is angle a = angle c in a parallelogram abcd

Answer 2

The quadrilateral cannot be a parallelogram

Because

In parallelogram angle A and angle C are opposite angles and they should be congruent