Question

Difference in length between the arc and the subtended chord on the surface of earth is

• A. 0.5 m in 1000 km
• B. 0.5 m in 100 km
• C. 0.5 m in 91 km
• D. 0.5 m in 50 km

Answer 1

Answer:

C. 0.5 m in 91 km