Type:

Other

Description:

This geometry lesson from Illuminations examines regular polygons. Students will study reflections using hinged mirrors and examine the interior angles of regular polygons. The lesson allows students to look at the relationship between the number of sides in a regular polygon and the measure of its central angles. An animated video demonstrating the experiment is included with the lesson. The lesson is intended for grades 9-12 studying geometry and should take two class periods to complete.

Subjects:

  • Mathematics > General

Education Levels:

  • Grade 1
  • Grade 2
  • Grade 3
  • Grade 4
  • Grade 5
  • Grade 6
  • Grade 7
  • Grade 8
  • Grade 9
  • Grade 10
  • Grade 11
  • Grade 12

Keywords:

Informal Education,NSDL,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-106,High School,Vocational/Professional Development Education,Mathematics,oai:nsdl.org:2200/20130508143928079T

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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