Question

Prove that a cyclic parallelogram is a rectangle ​

Answer 1

Step-by-step explanation:

PLEASE MARK AS BRAINLIST HEARTILY AS I ANSWERED

YOU PEOPLE ARE DOING THANKSGIVING ONLY

PLEASE MARK AS BRAINLIST

Answer 2

Answer:

Given,

ABCD is a cyclic parallelogram.

To prove,

ABCD is a rectangle.

Proof:

∠1+∠2=180°      ...Opposite angles of a cyclic parallelogram

Also, Opposite angles of a cyclic parallelogram are equal.

Thus,

∠1=∠2

⇒∠1+∠1=180°

⇒∠1=90°

hence proved