Question

Two points a and b are on the same side of a tower and in the same straight line with its base. the angles of depression of these points from the top of the tower are 60° and 45° respectively. if the height of the tower is 15 m, then find the distance between these points.

Answer 1

here is the answer. Hope it will help you. ☺
$5 \sqrt{3} ( \sqrt{3} - 1)$