If two angles are supplementary and one of them is 30°, what is the measurement of the second angle?

If two angles are supplementary and one of them is 30°, what is the m

1.	If two angles are supplementary and one of them is 30°, what is the measurement of the second angle?
Answer» If two angles are supplementary and one of them is 30°, the measurement of the second angle is 150°. If the sum of two angles is 180° then they are called supplementary angles.