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. Prove that a cyclic parallelogram is a rectangl.e.

. Prove that a cyclic parallelogram is a rectangl.e.

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
3 years ago
ABCD is a cyclic parallelogram. :. L A + L C = 180° ...(i) [Sum of opposite angles of a cyclic quadrilateral is 180°.] Also, L A = L C ...(ii) [Opposite angles of a parallelogram] A 2L A = 180° L A= 90° As in a parallelogram one angle is 90°, hence it is a rectangle.

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