Question

Angle 1 and angle 2 are supplementary angles if angle one is decreased what changes should take place in angle to show that both the angle still remains supplementary

Answer 1

the other angle must be increased equally as much the other angle decreased. For example if a pair of supplementary angle is 110, 70. if 110 is decreased by 10 then 70 will be increased by 10. 110+70=180. 100+80=180.