CAT EXAM # 4 Go the Distance

[GP]

In the explanation, why does the distance equal the square root of x^2 + y^2? If this relates to the Pythagorean Theorem, can you provide a visual?

Thanks.

[RonPurewal]

forum rules stipulate that you post the problem itself, with answer choices, when asking about it. please follow those rules by posting the question; thanks.

note that this is pretty easy to do, as you can cut and paste the thing in pretty much one shot.

thanks.