Find the angle of elevation of the sun when a tower 100m high casts a shadow of 120 meter long?
The angle of elevation of the sun is 20 degrees. At the same time,how long is the shadow cast by a building 50 meter high?
the given distance between the two points (0,2),(x,6),d = sq rt 52
The distance between (-3,-1) and (3,y) is sq rt45.Find y?