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Half of an equilateral triangle is a special right triangle. A video instructor shows how to find the pattern of the side lengths for a 30-60-90 triangle. She then applies the relationship to different examples.
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CCSS:
Adaptable
Additional Tags
Instructional Ideas
- Have learners record notes as they watch the video
- Post the video for absent pupils or those needing extra instruction
Classroom Considerations
- Content is a direct continuation of the previous lessons in the series
- This video is hosted on YouTube
Pros
- Spends time developing the pattern of sides lengths in the 30-60-90 triangle
Cons
- Instructor talks very quickly through the lesson