Question

prove that a cycalic parallelogram is a rectangle​

Answer 1

Answer:

At first cyclic quadrilateral where

1. sum of all angles is 360°
2. sum of opposite angles is 180°

"if that is a parallelogram then opposite angles are equal then each angles are 90°"

"because of parallel lines it can be a square or a rectangle "

"but it is given a parallelogram so all sides are not equal then it is a rectangle"

Step-by-step explanation:

hope this helps you