Question

prove that it is very important

Answer 1

as the opposite side of the rectangles are equal and the diagonal or hypotenuse of the halved cut will be equal so it is proved

Answer 2

Hey mate,

Here is your answer..

Here, In rectangle abcd
ad is a diagonal.
So,
In triangle, ABD and DCA
AB=DC (opposite sides of rectangle)
BD=CA (opposite sides of rectangle)
AD=DA (common)
By SSS rule,
Triangle ABD is congruent to triangle DCA

Hope it helps you..

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