Question

4) Prove that, any rectangle is a cyclic quadrilateral.​

Answer 1

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→ Sum of oppsite angles of a rectangle is supplementary i.e., 180°

→ ✔For a cyclic quadrilateral, sum of opposite angles is 180°. => 90° + 90° = 180° (sum of opposite angles of a rectangle).

Hence, rectangle is a cyclic quadrilateral

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