Question

From the top of 38 m high tower, the angle
of depression of the top of a building is 30°.
If the height of the second building is 18 m,
find the distance between the tower and the
building​

Answer 1

Please refer to the attachment Mate ✌

Answer 2

$\tan30° = \frac{1}{20}$

$\frac{1}{ \sqrt{3} } = \frac{1}{20}$

$1 = \frac{20}{ \sqrt{3} } = \frac{20}{1.732 = 11 \sqrt{4} }$