A) 160 m
B) 120 m
C) 64 m
D) None of these
Correct Answer: A
Solution :
\[\cot \alpha =\frac{3}{5}\], \[\cot \beta =\frac{2}{5}\], \[32=h\cot \alpha -h\cot \beta \] \[h=\left( \frac{32}{\cot \alpha -\cot \beta } \right)\] \[=\frac{32}{1/5}=160m\].You need to login to perform this action.
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