Activity

Rice University: Geometry Online: Impossible Triangles

Curated by ACT

This site has an activity that displays several impossible triangles. The rules for triangles are also displayed. The student has to determine which rule has been violated for each impossible triangle.

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CCSS: Adaptable
Classroom Considerations
  • Knovation Readability Score: 1 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Practice
Common Core