Wolfram Research
Wolfram Math World: Distance
MathWorld.com gives a formula for finding distance using the Pythagorean theorem. The formula for finding the distance between two points in Euclidean space is given on this page. The page has links to related topics.
CK-12 Foundation
Ck 12: Algebra: Distance Formula
[Free Registration/Login may be required to access all resource tools.] Given the coordinates of two points, use the Distance Formula to find the distance between them. Students examine guided notes, review guided practice, watch...
CK-12 Foundation
Ck 12: Algebra: Distance Formula
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to use the distance formula. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...