Congruence of regular geometric shapes

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This activity involves in identifying the congruent shapes among the shapes of different geometric shapes.


To understand congruence in different geometric elements and shapes

Estimated Time

15 minutes

Prerequisites/Instructions, prior preparations, if any

Prior knowledge of point, lines, angles, parallel lines

Materials/ Resources needed

Download this geogebra file from this link.

Process (How to do the activity)

  • For each set of shapes the following can be discussed
  • What are these shapes?
  • Which among them are exactly same?
  • How can you say that they are congruent?


  • Students should understand when two shapes coincide then they are congruent
  • Students should be able to identify for each of the shapes which parameter determines congruence