question_answer

The angle of elevation of the top of a 'Br tower from the foot of a hillock is\[\text{6}0{}^\circ \]. The angle of elevation of the top of the hillock from the foot of the tower is\[\text{3}0{}^\circ \]. If the hillock is 50 m, what is the height of the tower?

A) 50m                      

B)        140m

C) 100m                    

D)        150m