The Proof

Let's assume we have two points P and Q in Euclidean space, with coordinates (x1, y1) and (x2, y2) respectively.

The distance between P and Q is given by the formula:

d = sqrt((x2 - x1)2 + (y2 - y1)2)

But what if the points are on a circle? Ah, now we're cooking with gas!

Stay tuned for the next installment of Euclidean Space: Circles.