Question

John leaves school to go home.his bus drives 6 kilometers north and then goes 7 kilometers west.how far is John's house from the school?

Answer 1

John is 9.21 km form the school.

Explanation:

John leaves school to go home. His bus drives 6 kilometres north and then goes 7 kilometres west. It is required to find John's distance from the school. It is equal to the shortest path covered or its displacement. So,

`d=√(6^2+7^2) \\\\d=9.21\ km`

So, John is 9.21 km form the school.