Which of the following quadrilateral is not a rhombus? a.All four sides are equal b.Diagonals bisect each other c.Diagonals bisect opposite angles d.One angle between the diagonals is `60^0`

The diagonals of a rectangle bisect each other

Which of the following is not true for a parallelogram ? a) Opposite sides are equal b) Opposite angles are equal c) Opposite angles are bisected by the diagonals d) Diagonals bisect each other

The diagonals of a parallelogram bisect each other.

Which of the following statements are true for a square? It is a rectangle. It has all its sides of equal length. Its diagonals bisect each other at right angle. Its diagonals are equal to its sides.

Show that the diagonals of a square are equal and bisect each other at right angles.

Show that the diagonals of a square are equal and bisect each other at right angles.

Show that the diagonals of a square are equal and bisect each other at right angles.

Construct a rectangle ABCD, when : One diagonal = 6.0cm and the acute angle between the diagonals = 45^(@) .

Show that the diagonals of a rhombus bisect each other at right angles.

Given statements in (a) and (b). Identify the statements given below as contrapositive or converse of each other.(a) If you live in Delhi, then you have winter clothes. (i) If you do not have winter clothes, then you do not live in Delhi. (ii) If you have winter clothes, then you live in Delhi.(b) If a quadrilateral is a parallelogram, then its diagonals bisect each other. (i) If the diagonals of a quadrilateral do not bisect each other, then the quadrilateral is not a parallelogram. (ii) If the diagonals of a quadrilateral bisect each other, then it is a parallelogram.