Distance x 2 x 1 2 y 2 y 1 2. Distance formula Algebraic expression that gives the distances between pairs of points in terms of their coordinates see coordinate system. Using distance formula Using Pythagoras theorem in PAT AT 2 PA 2 - PT 2 169 - 25 144.
The triangles will help you remember these three rules.
In two- and three-dimensional Euclidean space the distance formulas for points in rectangular coordinates are based on the Pythagorean theorem. In analytic geometry the Euclidean distance between two points of the xy-plane can be found using the distance formula. Derivation or Proof of Distance Formula. AB 2AT 2 12 units 24 units.