Online Geometry, Theorems and Problems

Geometry Problem 1202: Four Squares, Two Congruent Parallelograms, Congruence. Tiled background image: Intihuatana, Machu Picchu. Online High School, College.

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The figure shows four squares AA1BA2, BB1CB2, CC1DC2, and DD1AD2. Prove that the quadrilaterals A1B2C1D2 and B1A2D1C2 are congruent (same shape and size) parallelograms.

  

Geometry Problem 1202: Four Squares, Two Congruent Parallelograms, Congruence.
  

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Geometric art of problem 1202 made with iPad

 

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Last updated: Mar 25, 2016