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The HL Theorem - Lesson 3-8

Today, we learned a new theorem called HL (Hypotenuse, Leg):

HL Theorem

 

After we stated this, I decided that we should prove it...so, here we go!

HL Proof

 

We then went over an example that used this "postulate."  Make sure that when you use this as a reason in a proof, you correctly reference the numbers of the previous steps that allow you to use it (they should be in the order of right angles, hypotenuse, legs).

Example Proof using HL

Other Links
Class Notes
Lesson 3-1
Lesson 3-2
Lesson 3-3
Lesson 3-4
Quiz Topics
Lesson 3-5
Lesson 3-6
Lesson 3-7
Lesson 3-8
Test Topics
 
   
 
   
If you have questions, email me at baroodyj@doversherborn.org