Instructional Video

Khan Academy: Geometry: 45 45 90 Triangle Side Ratios

Curated by ACT

In this video tutorial [5:42], the instructor explains the ratio of the lengths of the sides in a 45-45-90 triangle using the Pythagorean theorem. Beginning of video concludes a discussion from a previous video on the ratio of the lengths of the sides in a 30-60-90 triangle.

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Additional Tags
45-45-90 triangle, khan academy, khan academy math, special right triangle
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Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)