Question

52. Noah’s car has run out of gasoline. He walks 15 km west and then 8 km south looking for a gasoline station. If he is now h km directly from his starting point, find the value of h.

Answer 1

Use the Pythagorean theorem

H = sqrt (8^2 + 15^2)

H = sqrt(64 + 225)

H = sqrt(289)

H = 17 km