From top of plateform 7m hight the angle of elevation was 30 degree .If platform position 50 root3 away from tower .How tall will tower
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AB = height of platform = 7 m
from the diagram
CD = AB = 7 m
AD = distance between tower and platform = 50 sqrt(3)
In triangle ADE
tan30 = DE/AD
DE = (AD) tan30
DE = (50 sqrt(3) ) (1/sqrt(3))
DE = 50 m
H = height of the tower
height of tower is given as
H = CD + DE
H = 7 + 50
H = 57 m
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