other govt exam NBE Junior Assistant 2024 Mock Tests Series Mathematics Trigonometry Heights and Distances
A vertical tower standing on a levelled field is mounted with a vertical flag staff of length 3 m. From a point on the field, the angles of elevation of the bottom and tip of the flag staff are 30° and 45° respectively. Which one of the following gives the best approximation to the height of the tower?
1
3.90 m
2
4.00 m
3
4.10 m
4
4.25 m