jenina

from a point 35 meter from a building and 2 meter above the ground, the angle of the elevation of the top of the building is observed to be 60 degrees. what is the height of the building?

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 heig...

find the altitude of an equilateral triangle each of whose sides is 100 cm. long.