Question

In the given figure, angle 1 and angle 2 are supplementary angles. If angle 1 is decreased, what changes should take place in angle 2 so that both the angles still remain supplementary.​

Answer 1

supplementary means (angle 1 + single 2) = 180.

angle 1 will decrease To 2 degree and angle 2 will increase add to 180 degree.

angle 1 never be in negative , so that both the angles still remain supplementary for given figure.