Question

in the adjoining figure,angle 1 and angle 2 are supplementary . if angle 1 is decreased, what change should take place in angle2 so that both angles still remain supplementary

Answer 1

in this question when the first will decrease then the second angle will increase because then only they will come to be supplementary as the sum of the angles will be 180° and without it in there is no any method that will make it supplementary