A) \[30\,\text{m}\]
B) \[20\,\text{m}\]
C) \[24\,\text{m}\]
D) None of these
Correct Answer: A
Solution :
[a] In right \[\Delta ABC,\] |
\[A{{C}^{2}}=A{{B}^{2}}+B{{C}^{2}}\] |
\[={{(18)}^{2}}+{{(24)}^{2}}=324+576=900\] |
\[\Rightarrow \,\,\,\,\,\,\,\,\,\,\,\,AC=30\,m\] |
So, the man is\[30\,m\]far from the starting point. |
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