Type:

Other

Description:

With this applet, students can examine the angles in a triangle, quadrilateral, pentagon, hexagon, heptagon or octagon. They can change the shape of the figure by dragging the vertices; the size of each angle is shown and the sum of the interior angles calculated. Students are challenged to find a relationship between the number of sides and the sum of the interior angles.

Subjects:

  • Mathematics > General
  • Education > 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,Process skills,Grade 8,Middle School,NSDL,Visualization,Geometry,oai:nsdl.org:2200/20120114184151774T,NSDL_SetSpec_1007936,Reasoning,Plane geometry,Angle measure,Grade 6,Vocational/Professional Development Education,Measurement,Mathematics,Education,Polygons,Grade 7

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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