Congruent halves and transfomations

 teachMathematics: Congruent halves and transfomations

"Can you cut these shapes in 2 such that the two halves are congruent?" These problems are brilliant and have been around for ages. You need some real lateral thought to figure out how to divide the shapes in two such that both of the halves are congruent shapes! What is different about this activity, is that you are being asked not only to solve this bit of the problem, but to construct these shapes using technology...

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