A) 40 m
B) 45 m
C) 50 m
D) 42 m
Correct Answer: B
Solution :
\[\tan {{45}^{o}}=1=\frac{h}{{{{{T}'}}_{2}}A}\Rightarrow {{{T}'}_{2}}A=h\] Hence \[120=h+30+h\Rightarrow h=45\]m.You need to login to perform this action.
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