Which of the following set of positive and negative angles is coterminal with 180°?


a) 540° and -180°
b) 360° and -180°
c) 540° and -360°
d) 360° and -360°

• A. 540° and -180°
• B. 360° and -180°
• C. 540° and -360°
• D. 360° and -360°

Answer: (A)