A) 1300 m
B) 1400 m
C) 1500 m
D) 1600 m
Correct Answer: A
Solution :
\[x=400\,m,\] \[y=300\,m\]and \[z=1200\,m\] \[r=\sqrt{{{x}^{2}}+{{y}^{2}}+{{z}^{2}}}\] \[=\sqrt{{{(400)}^{2}}+{{(300)}^{2}}+{{(1200)}^{2}}}\] \[={{10}^{2}}\sqrt{16+9+144}\] \[=1300\,m\]You need to login to perform this action.
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