The angle of elevation of the top of a hill from a point on the horizontal plane passing through the foot of the hill is found to be After walking a distance of meters towards the top, up a slope inclined at an angle of to the horizontal plane, the angle of elevation of the top of the hill becomes . Then the height of the hill (in meters) is:
Find the height of the hill:
Using given data to draw a figure
By observing the figure,
Find
Where
Height of the hill
l
Hence, height of the hill is ..