Question

If the angle of elevation of a cloud from a point h meters above the surface a lake is alpha and the angle depression is beta prove that the height of the cloud is h(tan alpha+tan beta)÷tan beta-tan alpha

Answer 1

Answer:

Height of Cloud is h(tan alpha+tan beta)÷tan beta-tan alpha i.e x+h

Step-by-step explanation:

Refer to pic for brief Explanation

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Answer 2

Answer: height of cloud= h(tana + tanß)/(tanß-tana)

Step-by-step explanation:

Here we have to use a physics rule that is distance of object from the mirror is equal to the distance between mirror and image. Here water surface acts like mirror.