Distance Formula Test #2

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In this section, we learn about something known as the distance formula. This formula allows us to find the distance between two points on the
coordinate plane. It is a direct application of square roots and the Pythagorean theorem. The Pythagorean theorem tells us about the relationship
between the legs in a right triangle. We want to begin by labeling the three legs in a right triangle as: leg a, leg b, and leg c. Leg c is the
hypotenuse or leg that is opposite of the 90 degree angle. Our Pythagorean theorem states that leg a squared plus leg b squared is equal to leg
c (hypotenuse) squared. We can use this formula along with our knowledge of square roots to derive the distance formula.

Distance Formula Resources:

Videos:

Khan Academy - Video
Khan Academy - Video
Virtual Nerd - Video
Text Lessons:

Math WareHouse - Text Lesson
Khan Academy - Text Lesson
Purple Math - Text Lesson
Worksheets:

Math WareHouse - Worksheet
Khan Academy - Practice
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