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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.
See also: Geometric art of problem 1202 made with iPad
4 Square Madness! 😯 How can we describe & formally prove the phenomena dynamically illustrated here? 🤔Source: @gogeometry. https://t.co/CXGMhAvSkt @geogebra #MTBoS #ITeachMath #math #maths #geometry #EdTech #HSMath #CollegeMath #proof pic.twitter.com/rnRtzVMwNO— Tim Brzezinski (@Brzezinski_Math) December 13, 2019
4 Square Madness! 😯 How can we describe & formally prove the phenomena dynamically illustrated here? 🤔Source: @gogeometry. https://t.co/CXGMhAvSkt @geogebra #MTBoS #ITeachMath #math #maths #geometry #EdTech #HSMath #CollegeMath #proof pic.twitter.com/rnRtzVMwNO
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Post or view a solution to the problem 1202 Last updated: Mar 25, 2016
