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Altitudes : Proof - Triangle Altitudes are Concurrent (Orthocenter)

By Sal Khan

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Book Id: WPLBN0002822206
Format Type: Video (Educational Video)
File Size:
Reproduction Date: 2012

Title: Altitudes : Proof - Triangle Altitudes are Concurrent (Orthocenter)  
Author: Sal Khan
Volume: Geometry series
Language: English
Subject: Math, Special properties and parts of triangles, Geometry
Collections: Educational Videos, Altitudes series
Historic
Publication Date:
Publisher: Khan Academy
Member Page: Khan Academy

Citation

APA MLA Chicago

Khan, S. (n.d.). Altitudes : Proof - Triangle Altitudes are Concurrent (Orthocenter). Retrieved from http://members.worldlibrary.net/


Description
Showing that any triangle can be the medial triangle for some larger triangle. Using this to show that the altitudes of a triangle are concurrent (at the orthocenter).

Summary
This is a first year, high-school level course on Geometry (which is based on Euclid's elements). It revisits many of the basic geometrical concepts studied in earlier courses, but addresses them with more mathematical rigor. There is strong focus on prov

Excerpt
You probably like triangles. You think they are useful. They show up a lot. What you'll see in this topic is that they are far more magical and mystical than you ever imagined!

Table of Contents
geometry, perpendicular, bisectors

 

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