The figure shows a parallelogram ABCD with equilateral triangles ABE, BCF,CDG, and ADH. Prove that EFGH is a parallelogram.
1 Parallelogram + 4 Equilateral Triangles = 😮? How to prove? Source: @gogeometry. https://t.co/WMeTPYGR3T. @geogebra #MTBoS #ITeachMath #geometry #math #maths #EdTech #MathEd #proof #algebra #HSMath #CollegeMath pic.twitter.com/jkY2tl8ncD— Tim Brzezinski (@Brzezinski_Math) January 10, 2020
1 Parallelogram + 4 Equilateral Triangles = 😮? How to prove? Source: @gogeometry. https://t.co/WMeTPYGR3T. @geogebra #MTBoS #ITeachMath #geometry #math #maths #EdTech #MathEd #proof #algebra #HSMath #CollegeMath pic.twitter.com/jkY2tl8ncD
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