From a point on the ground the angle of elevation of the bottom and the angle of water tank kept at the top of 20m 45 degrees and 60 degrees draw the diagram to find the height of the water tank
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According to question
Length of building L = 20 m
and angle of elevation from bottom of tank = 45 deg
if the base is B
Thus
tan 45 = L /B
Thus L = B So = B = 20 m
Let height of tank be x
Thus
tan 60 = x+L /B
root 3 = x+20/20
So x = 20 (root3 - 1)
Length of building L = 20 m
and angle of elevation from bottom of tank = 45 deg
if the base is B
Thus
tan 45 = L /B
Thus L = B So = B = 20 m
Let height of tank be x
Thus
tan 60 = x+L /B
root 3 = x+20/20
So x = 20 (root3 - 1)
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