To show: The diagonal are perpendicular to each other and it is a rhombus.
Explanation of Solution
Proof:
Draw a diagram of a parallelogram whose diagonals are perpendicular.
Figure (1)
Let
In
Therefore,
Also,
Both the diagonals of parallelogram are intersecting equally to each other at right angles. Hence, the diagonal are perpendicular to each other and it is a Rhombus.
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