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Lesson 9-3 - Altitude-on-Hypotenuse Theorems

Today, we used similar triangles to prove the following theorem:

Altitude on Hypotenuse Theorem

Here's a proof of one of the versions of this theorem...you should be able to prove the others as well!

Altitude on Hypotenuse Proof

And here's an example using it:

Example Problem

Make sure you know these three relationships!!

Other Links
Class Notes
Lesson 9-1
Lesson 9-2
Lesson 9-3
Lesson 9-4
Quiz Topics
Lesson 9-5
Lesson 9-6
Lesson 9-7
Lesson 9-8
Lesson 9-9
Lesson 9-10
Test Topics
Trig Table
 
   
 
   
If you have questions, email me at baroodyj@doversherborn.org