In a parallelogram, the bisectors of any two consecutive angles intersect at right angle.

In a parallelogram ABCD, the sum of any two consecutive angles is 180^(@) and opposite angles are equal. In a parallelogram ABCD, angleD=115^(@) , determine the measure of angleA and angleB

In a parallelogram ABCD, the sum of any two consecutive angles is 180 degree and opposite angles are equal. In the given figure, find angleA in the parallelogram .

In the parallelogram ABCD,the internal bisectors of the consecutive angles B and C intersect at P .Use vector method to find /_BPC

In a parallelogram the sum of any two adjacent angles is 180^(@) .

In a parallelogram ABCD, prove that sum of any two consecutive angles is 180^(@) .

In a parallelogram ABCD, prove that sum of any two consecutive angles is 180^(@).