A 2m tall boy is standing at some distance from a 29 m tall building. The angle of
elevation, from his eyes to the top of the building increases from 30 degree
to 60 degree
as he
walks towards the building. Find the distance he walks towards the building.
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Height of boy =2m
Height of building =29m
But as the boy is 2m tall
THEREFORE h of build. =27m
Now, angle of elevation =60
27/x=tan60
27/root3=x
Now again,
27 /x+y=tan30
27/x+y=1/root 3
Put the value of x and u will get ur answer..
Hope it help..
Height of building =29m
But as the boy is 2m tall
THEREFORE h of build. =27m
Now, angle of elevation =60
27/x=tan60
27/root3=x
Now again,
27 /x+y=tan30
27/x+y=1/root 3
Put the value of x and u will get ur answer..
Hope it help..
Answered by
1
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