The angle of elevation of a cloud from a point 120m above a lake is 30 degree and the angle of depression of its reflection in the lake is 60 degree. Find the height of the cloud?
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The angle of elevation of a cloud from a point 120m above a lake is 30 degree and the angle of depression of its reflection in the lake is 60 degree. Find the height of the cloud?
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120m
60
60+30=90
tan90=120/height of a cloud
Nd/120
Nd=height of a cloud
Answer:
240
Step-by-step explanation:
So height of cloud H = 240 m