The supplement of an angle is defined as 180 degrees minus the measure of the angle. Therefore, the expression that should be used to determine the supplement of an angle with measure 7y is:
A. 180 − 7y
The measure of an angle is 7y. Which expression should be used to determine its supplement?
A. 180−7y
B. 180+7y
C. 90−7y
D. 90+7y
1 answer