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This Trapezoids: Lesson instructional video also includes:
Using the definition of a trapezoid, the segment within a large playlist on basic geometry explains other properties of trapezoids. The video introduces the special properties held by isosceles trapezoids.
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Concepts
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Instructional Ideas
- Lead a discussion on how the properties of parallel lines and a transversal can be used to show properties of trapezoids
Classroom Considerations
- Uses the exclusive definition of trapezoids
- Pupils should be comfortable with solving linear equations involving averages
- This video is hosted on YouTube
Pros
- Works several problems involving properties of trapezoids and isosceles trapezoids
- Links to other trapezoid resources
Cons
- The audio is slightly distorted