Lesson Planet
Search educational resources
  • Sign In Try It Free
  • AI Teacher Tools
    • Discover Resources Search reviewed educational resources by keyword, subject, grade, type, and more
    • Curriculum Manager (My Content) Manage saved and uploaded resources and folders To Access the Curriculum Manager Sign In or Join Now
    • Browse Resource Directory Browse educational resources by subject and topic
    • Curriculum Calendar Explore curriculum resources by date
    • Lesson Planning Articles Timely and inspiring teaching ideas that you can apply in your classroom
    • Our Story
    • Frequently Asked Questions
    • Testimonials
    • Contact Us
  • Pricing
  • School Access
    • Your school or district can sign up for Lesson Planet — with no cost to teachers
      Learn More
  • Sign In
  • Try It Free
Inscribing and Circumscribing Right Triangles Lesson Plan
Publisher
Mathematics Assessment Project
Resource Details
Curator Rating
Educator Rating
Not yet Rated
Grade
9th - 12th
Subjects
Math
2 more...
Resource Type
Lesson Plans
Audience
For Teacher Use
Duration
2 hrs
Instructional Strategy
Inquiry-Based Learning
Lesson Plan

Inscribing and Circumscribing Right Triangles

Curated and Reviewed by Lesson Planet
This Inscribing and Circumscribing Right Triangles lesson plan also includes:
  • Inscribing and Circumscribing Right Triangles
  • Worksheet
  • Answer Key
  • Activity
  • Join to access all included materials

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.

14 Views 10 Downloads
CCSS: Designed

Concepts

inscribed angle, right triangles, circles, tangent lines, diameter, central angles

Additional Tags

math

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

Pros

  • 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

Cons

  • None

Common Core

HSA-CED.A.2 HSA-CED.A.4 HSG-SRT.C.8 HSG-C.A.2 MP1 MP2 MP3 MP4 MP5 MP6 MP7 MP8

View 41,132 other resources for 9th - 12th Grade Math

© 1999-2026 Learning Explorer, Inc.
Teacher Lesson Plans, Worksheets and Resources

Sign up for the Lesson Planet Monthly Newsletter

Open Educational Resources (OER)

  • Health
  • Language Arts
  • Languages
  • Math
  • Physical Education
  • Science
  • Social Studies
  • Special Education
  • Visual and Performing Arts
View All Lesson Plans

Discover Resources

  • Our Review Process
  • How it Works
  • How to Search
  • Create a Collection

Manage Curriculum

  • Edit a Collection
  • Assign to Students
  • Manage My Content
Contact Us Site Map Privacy Policy Terms of Use