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 one year ago
I JUST NEED A DIAGRAM
From the top of a tower the angle of depression of an object on the horizontal ground is found to be 60degree. On descending 20 m vertically downwards from the top of the tower, the angle of depression of the object is found to be 30degree Find the height of the tower.
 one year ago
I JUST NEED A DIAGRAM From the top of a tower the angle of depression of an object on the horizontal ground is found to be 60degree. On descending 20 m vertically downwards from the top of the tower, the angle of depression of the object is found to be 30degree Find the height of the tower.

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soty2013
 one year ago
Best ResponseYou've already chosen the best response.2dw:1359816002489:dw

soty2013
 one year ago
Best ResponseYou've already chosen the best response.2dw:1359816427851:dw @phi

phi
 one year ago
Best ResponseYou've already chosen the best response.1because the ground is parallel to the horizontal lines, we can say the angle of elevation = angle of depression dw:1359818247074:dw

phi
 one year ago
Best ResponseYou've already chosen the best response.1now you have two equations and 2 unknowns tan 60 = x/y tan 30 = (x20)/y
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