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ZingPath: Triangles and Their Parts

The Secondary Elements of a Triangle

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Triangles and Their Parts

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The Secondary Elements of a Triangle

Geometry

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You get to learn all about triangles, including the six different types–and some main components and unique properties of each type.

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Now You Know

After completing this tutorial, you will be able to complete the following:

  • Identify the secondary elements (medians, altitudes, and angle bisectors) of a triangle.

Everything You'll Have Covered

What are the keywords and their definitions? What did you have the most difficulty understanding?

Answers will vary. Keywords and definitions include:

~ Secondary elements of a triangle: The altitudes, medians, and angle bisectors of a triangle.

~ Median of a triangle: a line segment from a vertex to the midpoint of the side opposite that vertex

~ Altitude of a triangle: a perpendicular line segment from a vertex to a side opposite that vertex.

~ Angle bisector of a triangle: a line segment from a vertex to the side opposite the vertex that also bisects the interior angle.

Tutorial Details

Approximate Time 2 Minutes
Pre-requisite Concepts Students should famililar with altitudes of a triangle, angle bisectors of a triangle, and medians of a triangle.
Course Geometry
Type of Tutorial Animation
Key Vocabulary altitudes of a triangle, angle bisectors of a triangle, medians of a triangle