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45-45-90 triangles are half a square, which gives them a special status! The instructor explains the relationship of the sides of the 45-45-90 triangle using the Pythagorean Theorem as a reference.
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3 Downloads
CCSS:
Adaptable
Additional Tags
Instructional Ideas
- Pause the video at optimal points to ask and answer clarifying questions
- Ask learners to record special patterns in their notes
Classroom Considerations
- YouTube video requires Internet access to view
- The 10th lesson in a 40-part series
- This video is hosted on YouTube
Pros
- Shows an example with an image and one without
- Spends time explaining the importance of the 45-45-90 triangle and the pattern of the side lengths
Cons
- Does not include real-life application incorporating special right triangles
Common Core
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