Inscribing and Circumscribing Right Triangles

This Inscribing and Circumscribing Right Triangles lesson plan also includes:

High schoolers attempt an assessment task requiring them to find the radii of inscribed and circumscribed circles of a right triangle with given dimensions. They then evaluate provided sample responses to consider how to improve their own solutions.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Use the resource to review circle theorems
Classroom Considerations
  • Have rulers, compasses, and protractors available
  • Pupils must complete the assessment task ahead of time so teachers can review student work
  • Teacher resource contains a Circle Theorems reference sheet that can be used in this and other lessons
  • Lesson includes suggested prompts to address common issues and misconceptions
  • None