anonymous
  • anonymous
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.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
|dw:1359816002489:dw|
anonymous
  • anonymous
|dw:1359816427851:dw| @phi
anonymous
  • anonymous
@Naerro

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anonymous
  • anonymous
pls solve it also...
phi
  • phi
because the ground is parallel to the horizontal lines, we can say the angle of elevation = angle of depression |dw:1359818247074:dw|
phi
  • phi
now you have two equations and 2 unknowns tan 60 = x/y tan 30 = (x-20)/y

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