Geometry 5-4a GeoGebra Primer: Medians and Altitudes

By Matt Richardson
Last updated about 3 years ago
7 Questions
Explore the applet for a few minutes before responding to the items that follow.

Be sure to move the purple vertex of the triangle as well.

Exploration: What do you know about point M?

Exploration: What do you know about the green line segment?

Exploration: Can the green segment ever be on the outside of the triangle? Explain why or why not.
Be sure to try a variety of triangle shapes in the applet before responding.

Vocabulary: The green line segment is said to be a median of the triangle. How do you think median could be defined?

Explore the applet for a few minutes before responding to the items that follow.

Be sure to move the blue vertex of the triangle as well.

Exploration: What do you know about the purple line segment?

Exploration: Can the purple segment ever be on the inside of the triangle? Explain why or why not.
Be sure to try a variety of triangle shapes in the applet before responding.

Vocabulary: The purple line segment is said to be an altitude of the triangle. How do you think altitude could be defined?