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SanjanaRana:
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AB= height of the boy- 1.5m
CD= height of building -30m
CG= 30-1.5=28.5m
in triangle CGF
CG/FG= tan 60degree
28.5/FG= √3
FG= 28.5/√3×√3/√3=28.5√3/3
in triangle CGA
CG/GA= tan30degree
28.5/GA= 1/√3
GA= 28.5√3
Now,
BE= AG= FG
28.5√3-28.5√2/3
28.5×3√3-28.5√3/3
85.5√3-28.5√3/3
57√3/3
19√3
therefore, the distance he walked towards the building bis19√3
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Answered by
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i hope it is usefull for You
thanks
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