A) 7 km
B) 6 km
C) 4 km
D) 5 km
Correct Answer: D
Solution :
[d] Required distance \[AD=\sqrt{{{\left( AE \right)}^{2}}+{{\left( DE \right)}^{2}}}\] \[=\sqrt{{{\left( 4 \right)}^{2}}+{{\left( 3 \right)}^{2}}}\] \[=\sqrt{16+9}=\sqrt{25}=5\,km\]You need to login to perform this action.
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