Question

prove that a cyclic parallelogram is rectangle ​

Answer 1

Answer:

In a parallelogram, opposite angles are equal.

In a cyclic quadrilateral, opposite angles are supplementary.

Therefore, in a cyclic parallelogram, opposite angles are equal angles that add to 180°.  That is, all angles are right angles.  It follows that a cyclic parallelogram is a rectangle.

Answer 2

Answer:

Step-by-step explanation:

In a cyclic quadrilateral oppsite angles are supplementary

A=B......................(1)

In a parallelogram opposite angles are equal

A+B=180

2B=180 ................using (1)

B=90

When one angle is 90 in a parallelogram that shape is reactangle.

Hence cyclic parallelogram is a rectangle.

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