1.

Let ABCD be a quadrilateral in which AB is the smallest side and CD is the largest side. Prove that ∠A > ∠C and ∠B > ∠D. (Hint: Join AC and BD.)

Answer»

Let ABCD be a quadrilateral in which AB is the smallest side and CD is the largest side. Prove that A > C and B > D. (Hint: Join AC and BD.)





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