3. Show that if the diagonals of a quadrilateral bisect each other at right angles, then it is a rhombus.()4. Show that the diagonals of a square are equal and bisect each other at right angles.5. Show that if the diagonals of a quadrilateral are equal and bisect each other at right angles, then (iiit is a square(iv

3. Show that if the diagonals of a quadrilateral bisect each other at

1.	3. Show that if the diagonals of a quadrilateral bisect each other at right angles, then it is a rhombus.()4. Show that the diagonals of a square are equal and bisect each other at right angles.5. Show that if the diagonals of a quadrilateral are equal and bisect each other at right angles, then (iiit is a square(iv
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