A lower subtends an angle of 30° at a point on the same level as its foot. At a second point h metres above the first, the depression of the foot of the tower is 60°. The height of the tower is

A lower subtends an angle of 30° at a point on the same level as its

1.	A lower subtends an angle of 30° at a point on the same level as its foot. At a second point h metres above the first, the depression of the foot of the tower is 60°. The height of the tower is
A.	$\frac{h}{2}\,m$$
B.	$\sqrt 3 \,h\,m$$
C.	$\frac{h}{3}\,m$$
D.	$\frac{h}{{\sqrt 3 }}\,m$$
Answer» D. $\frac{h}{{\sqrt 3 }}\,m$$