Math, asked by zaheer5761, 1 year ago

from a point 100m above a lake the angle of elevation of a stationary helicopter is 30° and the angle of depression of reflection of the helicopter in the lake is 60°. find the height of the helicopter above the lake

Attachments:
arbazhaider: i Send u answer
arbazhaider: in copy written
arbazhaider: ok
arbazhaider: 50(2-√3) is height right or wrong
arbazhaider: give me answer

Answers

Answered by Arnav582002
17
2nd image is in the comment box
Attachments:
Arnav582002: srry but i cant put second image in comment box
Arnav582002: answer is 200meters
Arnav582002: we just have to equate equation 1 and 2 to find value of x
Arnav582002: then height of helicopter will be AF=x+100=200meters
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