Question

prove that the diagonals are not always equil​

Answer 1

Step-by-step explanation:

The diagonals of rectangles must be congruent. In a non-rectangular parallelogram the triangles formed by the diagonals would not be congruent because the angles would not be congruent, so the diagonals would not be congruent.

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Answer 2

Answer:

The diagonals of rectangles must be congruent. In a non - rectangular parallelogram the triangles formed by the diagonals would not be congruent because the angel would not be congruent.