Find the location of altitudes—from any elevation! The video presents the definition of an altitude of a triangle. By drawing examples, the segment of a larger geometry playlist highlights the location of altitudes of various triangle types.

Concepts

triangles, bases, altitude, triangle properties, right triangles, acute triangles, obtuse triangles

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Additional Tags

math

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Instructional Ideas

• Lead a discussion on the orientation of triangles and what side to call the base
• Conduct a mini-lesson on the point of intersection of all three altitude lines

Classroom Considerations

• The class should understand the different types of triangles

• This video is hosted on YouTube

Pros

• Links to other resources on altitudes
• Works through example problems

Cons

• None

Common Core

HSG-CO.C.10 MP3 MP6