Equilateral Triangle in a Circle

I thought compasses could only draw circles! Scholars draw an equilateral triangle inscribed in a given circle. They accomplish this by using a compass and straightedge as the solution strategy.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Use the worksheet during a class activity
  • Alternatively, include the problem in a unit assessment
Classroom Considerations
  • Worksheet requires compass and straightedge
Pros
  • Provides rubric to easily grade students' work
  • Includes sample work at different levels
Cons
  • Resource only has one problem
Common Core