From a point 35 m from a building and 2 m above the ground , the angle of elevation of the top of the building is observed to be 60° what the height of the building?

2 answers

draw a diagram

(h-2)/35 = tan60°
if a monument and a building were placed on the circumference of a circle of radius r ft. on level ground, the angles of the elevation of their tops at the center of the circle would be 30 degrees and 60 degrees respectively . find the ratio of their heights?