Two sides give us two angles. A segment of a playlist on basic geometry revisits isosceles triangles. The presentation explains several properties and theorems related to isosceles triangles.

Concepts

isosceles triangles, triangle classification, angle bisectors, perpendicular bisectors, triangle properties

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Additional Tags

math

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Instructional Ideas

• Construct proofs of the different theorems related to isosceles triangles

Classroom Considerations

• Pupils should know how to classify triangles, specifically isosceles triangles
• Individuals should know the sum of the angles of a triangle

• This video is hosted on YouTube

Pros

• Links to additional isosceles triangle resources
• Contains worked examples

Cons

• None

Common Core

HSG-CO.C.10 MP3 MP6