Rotation Reflections & Proof

 teachMathematics: Rotation Reflections & Proof

"Can you produce two reflections in a single rotation? Prove it!"Many of us did paint reflection art to create a pretty butterfly when we were in elementary/primary school. Since then, equations of lines have replaced the folds in a piece of paper (or a mirror) and centres of rotation, degrees and direction have replaced "turning it on its side"! This is a great investigation that explores all these new complexities...

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