A transmitting antenna at the top of a tower has a height 32 m and the height of the receiving antenna is 50 m. What is the maximum distance between them for satisfactory communication in LOS mode? Given radius of earth $6.4 × 10^6 m$.

22.75 km 45.5 km 91.0 km 182.0 km

45.5 km

The correct answer is Option (2) → 45.5 km