[Free Registration/Login may be required to access all resource tools.] This concept teaches students properties of altitudes of triangles and how to apply them.

[Free Registration/Login may be required to access all resource tools.] Mountain ranges and the altitude of a region affects the climate.

[Free Registration/Login may be required to access all resource tools.] Apply the properties of altitudes.

[Free Registration/Login may be required to access all resource tools.] Atmospheric pressure and how it changes with increasing altitude, and how air pressure is used.

In this activity, you will construct special segments of a triangle named altitudes, medians, and angle bisectors, Using their definitions. You will look at how an altitude, a median, and an angle bisector divide the area of a triangle....

Get a visual and animated definition of the altitude(s) of a triangle from LearnAlberta.ca's Mathematics Glossary. [Requires Java.]

This resource provides information about the altitude theorem for equilateral triangles, in addition to links on related topics. Requires Java.

The student will apply and prove the definition of similar triangles and identify and apply the relationships that exist when an altitude is drawn to the hypotenuse of a right triangle, including the geometric mean.

This site from Math World describes the altitude of a triangle, and shows how to find these altitudes using the parameter and positions of the vertexes and angles of the triangle. The site gives other interesting formulas involving the...

An introduction to concurrent lines, medians, and altitudes using Cabri Jr.

[Free Registration/Login Required] Students will use the interactive riangle and points to explore altitudes such as the orthocenter. Click learn more to watch a video and click challenge me to answer a practice question.

This lesson plan allows student to make a launch altitude tracker. Student will use a sighting tube and angle measurements to track the altitude of rockets that are launched.

Here at the Math Forum, Dr. Math proves the concurrency of the altitudes of a triangle. Links are provided for associated topics.

The Cabri Jr. Constructions Tools Menu (F3) contains tools for contructing geometric objects. This activity provides practice using several of the tools. The activity also investigates the terms: median of a triangle and the altitude of...

In this brief talk, Saul Griffith unveils the invention his new company Makani Power has been working on: giant kite turbines that create surprising amounts of clean, renewable energy. [5:22]

This site provides a definition of what the altitude of a triangle is. It also provides a diagram.

Find resources for class instruction on concurrence: a lesson on concurrence of medians, altitudes, angle bisectors, and perpendicular bisectors complete with definitions and example diagrams; a six-question practice quiz; and...

This astronomy simulation presents stars in their Altitude/Azimuth coordinates serving as an introduction to the celestial globe and equatorial coordinates.

The companion web site to NOVA programs on Mt. Everest: Lost on Everest, High Exposure: Humans at Altitude, Climb, History and Culture, Earth, Wind, and ice, Previous Expeditions, and Resources.

A list of geometry definitions and a matching activity.

MathWorld explains what an isosceles triangle is and how it compares with equilateral, and scalene triangles. The altitude and area of these triangles are also discussed.

Investigate the effect of oxygen deprivation on brain function and test the changes in mental abilities climbers experience as they climb to ever-higher altitudes, in this virtual experiment.

Technical journal's articles discuss issues in training and nutrition, with such topics as altitude training and psychological activity.

This site from MathWorld.com offers extensive information on right triangles. The site contains information on numerous characteristics of right triangles, including constructing similar inscribed triangles, altitudes, Pythagorean...