Distance Fomula (9:38)
Find the distance betweenand
using the distance formula by deriving it from the Pythagorean Theorem.Then Sal uses the formula he derived to compute the distance between
and
. In this example he uses an on-screen TI graphing calculator.
Use the Pythagorean Theorem (distance formula) to find the distance between two points in the plane.
Really nice application! Thiago (Brazillian soccer player) asks: How long does a keeper have to react to a penalty kick? (12:04)