Question

A boy moves 4 miles south. Then he turns 90 degrees to the left. He moves forward 6 miles. H turns 90 degrees to the left. He moves forward 4 miles. How far is he now than from his starting point?

Answer 1

y1=-4

x1=6

y2=4

y1+y2=0

So he is just his x displacement from where he started, 6 miles.