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The Math Forum: Ask Dr. Math: "Impossible" Geometric Constructions

Curated by ACT

Three geometric constructions students like to say are "impossible" are explained here. Trisecting an angle, squaring a circle, and doubling a cube are examined as being either possible or impossible, depending on the "rules" you use.

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CCSS: Adaptable
Concepts
constructions
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Additional Tags
doubling the cube, geometric construction, squaring the circle, trisecting an angle, math forum: ask dr. math: "impossible" geometric constructions
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Classroom Considerations
  • Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional
  • This resource is only available on an unencrypted HTTP website.It should be fine for general use, but don’t use it to share any personally identifiable information