MathDB
2000 Guts #41: Angles of inclination

Source:

October 25, 2014

Problem Statement

A person observes a building of height hh at an angle of inclination α\alpha from a point on the ground. After walking a distance aa towards it, the angle is now 2α2\alpha, and walking a further distance bb causes it to increase to 3α3\alpha. Find hh in terms of aa and bb.