Fill in the gaps.
If one angle of a parallelogram is `90^@`, then it will be _____.

One angle of a parallelogram is 80^@ , the values of the other angles will be

Fill in the gaps. The diagonals of parallelogram _______ each other.

Fill in the gaps: 2a xx 3b = square

Prove that if one of the angles of a parallelogram be a right -angle , then it should be a rectangle.

Fill in the gaps: 6ab div 2a = square

Fill in the blanks:- the angle of rotational symmetry of a parallelogram is _____.

Fill in the blanks: Cycline parallelogram is always._____

Find the measure of all the angles of a parallelogram, if one angle is 24^(@) less than the twice of the smallest angle.

Fill in the gaps. Diagonals of a rhombus bisect each other at ________.

Fill in the gaps: 24ab div (-8a) = square