Question

A boat moves from a jetty towards east. After sailing for 9 nautical miles, she turns towards right and cover another 12 nautical miles if she wants to back to the jetty .What is the shortest distance now form her position?(in nautical miles) 21 20 18 15

Answer 1

Answer:15 nautical miles

Step-by-step explanation:

The whole structure of 12 and 5 nautical miles forms a right triangle because it is mentioned that she turne right so the shortest distance will be the hypotenuse of the right triangle and thus by Pythagorean theorem the answer will be

(5^2+12^)^1/2

(25+144)^1/2

225^1/2

15

Thus the shortest distance will be 15 nautical miles