Find the height of a flagpole positioned at the centre of the roof of a building, where the angle of elevation from a point on the ground 35 meters away from the center of the building to the top and bottom of the flagpole is 40° 30' and 35° 20' respectively.

• A. 5.08 m
• B. 8.05 m
• C. 54.70 m
• D. 24.81 m

Answer: (A)