Instructional Video

Khan Academy: Geometry: 30 60 90 Triangle Example Problem

Curated by ACT

In this video tutorial [6:40], the instructor explains how to apply the relationships of the sides of a 30-60-90 triangle to solve a perimeter problem involving a rectangle that has had one of the angles trisected.

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Classroom Considerations
  • Knovation Readability Score: 1 (1 low difficulty, 5 high difficulty)