Question

A golfer takes two putts to get his ball into the hole once he ison the green. The first putt displaces the ball 6.00 m east, andthe second, 5.40 m south. What displacement would have been neededto get the ball into the hole on the first putt?

Answer 1

It's a simple triangle.

vertices (0,0) (6,0) (6,-5.4)

x^2+y^2=h^2
where h is the hypotenuse.