The Distance Formula and the Pythagorean Theorem
Common Core: 8.G.8

The Distance Formula and the Pythagorean Theorem

Author: Graham Pardun
This lesson explains how the Distance Formula is related to the Pythagorean Theorem.
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Don't Use the Distance Formula, Use the Pythagorean Theorem

Here's how to do the Distance Formula without even thinking about it--just create a right triangle and follow the Pythagorean Theorem, and you'll be home free!