Ayesha atop 200m tower sees a car moving on straight horizontal road. At 11:00 angle of depression 45°. At 11:02 angle of depression 30°. The speed is approximately
- A6.3 km/hr
- B4.39 km/hr
- C8.45 km/hr
- D10.6 km/hr
Ayesha atop 200m tower sees a car moving on straight horizontal road. At 11:00 angle of depression 45°. At 11:02 angle of depression 30°. The speed is approximately