Write the converse and decide whether the converse is true or false.
(iv) If ABCD is a parallelogram , then AC and BD bisect each other.

Write the converse and decide whether the converse is true or false. (iii) If x^2=1 , then x=1.

Write the converse and decide whether the converse is true or false. (vii) If vertices of a parallelogram lie on a circle then it is a rectangle.

Write the converse and decide whether the converse is true or false. (ii) If an integer is odd, then its square is an odd integer.

Write the converse and decide whether the converse is true or false. (i) If triangle ABC is isosceles, then its base angles are equal.

Write the converse and decide whether the converse is true or false. (vi) If x and y are two odd numbers, then x+y is an even number.

State whether the statements are True or False. (iii) All trapeziums are parallelograms ( )

State whether the statements are True or False. (vi) All parallelograms are rectangles

Given statements in (a) and (b). Identify the statements given below as contrapositive or converse of each other. (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.

State whether the statements are True or False. (i) Every parallelogram is a trapezium ( )

State whether the statements are True or False. (ii) All parallelograms are quadrilaterals ( )