Mohit is standing at some distance from a 60 meters tall building. Mohit is 1.8 meters tall. When Mohit walks towards the building, then the angle of elevation from his head becomes 60° from 45°. How much distance (in metres) Mohit covered towards the building?

• A. 18.6 (4 - √3)
• B. 58.2 - 24.6√3
• C. 19.4 (√3 + 1)
• D. 19.4 (3 - √3)