answer is 11.85m.
plz solve this question
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answer is 11.85m.
plz solve this question
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5/13=4/AC => AC =52/5 m
hence from pathagoras
BC =√((53^2)/5^2-4^2) = ✓(92.16) = 9.6 m
similarly Cos(phi) = CD/3= 3/5
CD = 9/5 m
hence BD = BC+CD = 9.6+9/5 =11.4 m