Answer :
Answer:
13 miles
Step-by-step explanation: From the below image, using Pythagoras theorem, the required distance is
[tex]OB^{2}=OA^{2}+AB^{2}[/tex]
[tex]OB^{2}=5^{2}+12^{2}[/tex]
[tex]OB^{2}=169[/tex]
[tex]OB=13[/tex] miles

Answer:
13 miles
Step-by-step explanation: From the below image, using Pythagoras theorem, the required distance is
[tex]OB^{2}=OA^{2}+AB^{2}[/tex]
[tex]OB^{2}=5^{2}+12^{2}[/tex]
[tex]OB^{2}=169[/tex]
[tex]OB=13[/tex] miles