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from the top of minar ofeight 60m,the top and bottom of a clock tower are observed at an angles of depression of 30 degrees and 60 degrees respectively.then the height of clock tower in meters

shobha kiran , 11 Years ago
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anser 4 Answers
vaibhav sharma

Last Activity: 11 Years ago

40 m....

suryavamsi tenneti

Last Activity: 11 Years ago

40metres

Vikas TU

Last Activity: 11 Years ago

Here is yr. soln.

PLZ  APPROVE!

PLZ APPROVE!

PLZ APPROVE!

Sukrit Shukla

Last Activity: 11 Years ago

 

 

 

833_85816_Capture.JPG

tan 30 = AC/BC = 60-h/BC

tan 60 = 60/DE = 60/BC

  60-h/tan30 = 60/tan60

√3 (60-h) = 60/√3

3 (60-h) = 60

60-h = 20

h= 40m.                          Ans.

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