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at a point A 20 metres above the level of water in a lake the angle of elevation of a cloud is 30 degree. the angle of depression of the reflection of the cloud in the lake at A is 60 degree. find the distnace of cloud from A.

I too need answer
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the height of the cloud is 40 m and the distance is a bit confusing
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The distance between A and Cloud is 40m
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Sure 40 know? Yay!
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40
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thbks alot mine was also 40m
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40m
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surely ans is 40m
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can anyone plz show the full method???
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can anyone plz show the full method
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tan30∘=ECAD=13
tan⁡ 30∘ = ECAD = 13(ED=h)(ED=h) => AD==3
AD =  h 3 ---- (1) tan60∘=FDAD
tan ⁡60∘ = FDAD = 3√3 FD=h+40FD = h + 40 =h+403√AD = h + 403 ---- (2) h3
h+403√h3 = h + 403 3h=h+403h = h + 40 2h=40=>h=20m2h = 40 => h = 20 m EC=h+20=20+20EC = h + 20 = 20+20 =40m= 40 m
40m
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Dude y is FC h-20??
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Tan √3 = x+20+20/AC
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40
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Why is the reflection of the cloud under the water
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Here it is :):D

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I hope this solution will help..note:there are two pictures (complete solution)

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Picture 2 ..

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Full solution

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Full solution , with perfect answer.

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The answer is 20m
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Your answer is correct
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at a point A 20 metres above the level of water in a lake the angle of elevation of a cloud is 30 degree. the angle of depression of the reflection of the cloud in the lake at A is 60 degree. find the distnace of cloud from A.
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