|Tool: Constructing the orthocenter of a triangle. Math Open Refrence.||
|Go to:||http://www.mathopenref.com/constorthocenter.html (opens a new window)|
An interactive applet and associated web page that provide step-by-step instructions on how to construct the orthocenter of a triangle using only a compass and straightedge. The method used involves constructing two altitudes of the triangle, which intersect at the orthocenter.
The animation can be run either continuously like a video, or single stepped to allow classroom discussion and thought between steps.
Applet can be enlarged to full screen size for use with a classroom projector. After use in the classroom, student can access it again from any web browser at home or in the library with no login required.
This resource is a component of the Math Open Reference Interactive Geometry textbook project at http://www.mathopenref.com.
|Technology Type:||Java Applet|
|Cost:||Does not require payment for use|
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|Courses:||Geometry||Centers of triangles, Straightedge and compass|