Question

prove that each angle of a rectangle is 90°​

Answer 1

Step-by-step explanation:

Let us consider a rectangle ABCD. Therefore, triangle ABC is congruent to triangle DCB. And, angle ABC = angle ADC = 90° and angle DCB = angle BAC = 90° (Opposite angles of a parallelogram are equal.) Hence proved.

Answer 2

Step-by-step explanation:

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