Question #0f847

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Question #0f847

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Answer 1 · 2017-06-08T07:52:59

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Let the point on the ground from which the angles of elevation are being measured, be situated at a distance of #x# ft from the foot of the building and height of the building be #h# ft

So

#h/x=tan37^@=0.75.......(1)#

And

#(h+100)/x=tan51^@=1.23......(3)#

So

#(h+100)/h=1.23/0.75=1.64#

#=>1+100/h=1.64#

#=>h=100/0.64=156.25ft#

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Question #0f847

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