A) 4 m
B) \[3\sqrt{2}\,\,m\]
C) 5 m
D) None of these
Correct Answer: B
Solution :
Suppose, The length of the ladder is x m. Then, \[\cos \,\,45{}^\circ =\frac{3}{x}\] \[\frac{1}{\sqrt{2}}=\frac{3}{x}\] \[x=3\sqrt{2}\,\,m\]You need to login to perform this action.
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