Correct Answer:
Option B - Three popular systems of angular measurements–
1. Sexagesimal system
2. Centesimal system
3. Hours system
• The sexagesimal system is widely used in India, United States, Great Britain.
B. Three popular systems of angular measurements–
1. Sexagesimal system
2. Centesimal system
3. Hours system
• The sexagesimal system is widely used in India, United States, Great Britain.