Question

prove that diagonal of rectangle are equal​

Answer 1

Let ABCD be a rectangle.

Then AC and BD are the diagonals.

To Prove: AC=BD

Proof : In △ABC and △ABD

∠ABC = ∠BAD [90

∘

]

BC=AD [Opp. Sides]

AB=AB [Common side]

△ABC ≅ △ABD[SAS]

AC=BD

Hence proved.

December 26, 2019