Question

An airplane flies 240km due north and then 320km due west. How many kilometres must it fly to return to its starting point by the shortest route

Answer 1

Answer:

Step-by-step explanation:may be the answer is 400 km by shortest route.

It implies Pythagoras theorem.

N

W<->E

S

So According to the question

Let the shortest distance be x km

//remeber it will be a triangle when we are going to join the end points of west and north lines I. e straight lines

Then

X²=( 240)²+(320)²

Then solve