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Height of a triangle or the line segment from a vertex and perpendicular to the opposite side.

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Practice Altitudes
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Teacher Contributed

RWA Altitude


Mountain Climbing


  • Median
  • Altitude

Student Exploration

What is high altitude? And How does altitude sickness work?


Watch dangerous mountain climbing


Extension Investigation

You need to find a location for a hospital that is located equal distance from three main areas of town. OR you need to find the best place to meet up with our friends so that every one travels and equal distance. How do you use angle bisectors to do this?

Orthocenter is the point where the three altitudes of a triangle intersect.

Read more here ... http://www.mathopenref.com/trianglecenters.html

Hospital Locator - http://illuminations.nctm.org/LessonDetail.aspx?id=L661

Google Maps Meet up meeting spot locator - http://www.technologyintegrationineducation.com/profiles/blogs/geogebra-a-christmas-story

Layering (optional)

Orthocenter Patty Paper

Geometry and Side Looking airborne radar


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