SOLUTION: show that a rectangle is a square if the diagonals are perpnicular

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Question 386988: show that a rectangle is a square if the diagonals are perpnicular
Answer by richard1234(7193)   (Show Source): You can put this solution on YOUR website!
Just show that the four triangles inside the rectangle are congruent, then you're done, because the corresponding sides will be the sides of the rectangle which will be equal.
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