Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 3 - No. 31)
If the distance from a point on the ground to the base of a building is 50 meters and the angle of elevation to the top of the building is 45 degrees, what is the height of the building?
25 meters
50 meters
75 meters
100 meters
Vysvětlení
tan(45) = height/50; height = 50