PDF File | Theorems and Postulates

COORDINATE GEOMETRY

In this unit, you will first review the Pythagorean Theorem and apply it to the distance formula to find the length of line segments in the coordinate plane. You will then examine the midpoint formula to find the midpoint for both line segments and segments in the coordinate plane.

  Pythagoras (00:27)
 Discovering the Theorem of Pythagoras (01:18)
 Geometric Interpretation of the Theorem of Pythagoras (00:27)
 The Theorem of Pythagoras: Three Questions from Real Life (02:52)
 Applying the Pythagorean Theorem (01:15)
 Euclid's Proof (01:22)
 
 


Below are additional educational resources and activities for this unit.
 
The Pythagorean Theorem and Its Converse
 
Multi-Step Pythagorean Theorem Problems
 
The Distance Formula
 
The Midpoint Formula