If the measure of MSN = 137 DEGREES, then which of the following statements is true?
OSN is less than 137 degrees
OSN equal to 137 degrees
MSL + OSN = 180 DEGREES
MSL = SLO + MSN

Which of the following statements is false?
LSM and MSN are adjacent angles
LSM and MSN form of linear pair of angles
LSM and MSN are vertical angles
LSM + MSN = 180 DEGREES

which angle is supplemntary to LSM? Answer: MSN