Answer:
the answer is the 2nd and 3rd option
Step-by-step explanation:
2 and 3
Umm what is your question u did not add it?
Using pythagoras theorem,
a^2 + b^2 =c^2
11^2 + 11^2 = c^2
c^2=242
c=
c= 15.556
c=15.6
walking tour is $15
boat tour is $18