Question

if a parallelogram is cyclic ,then it is a rectangular. justify your answer ​

Answer 1

Answer:

Opposite angles in a parallelogram are congruent, while opposite angles in a cyclic quadrilateral are supplementary.

Congruent supplementary angles are right angles, so opposite angles in a cyclic parallelogram are right angles. Thus all four angles are right angles, and it's a rectangle.

Step-by-step explanation: