Desmos on Twitter: "@morenomigs Here is a triangle being reflected. https://t.co/WYlpoo9KoZ and rotating around origin https://t.co/vP4fkPcqhk https://t.co/ilzy8tzzAO" / Twitter
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Geometry transformations: rotation with Geogebra - YouTube
Rice rotation calculator
2D Rotation Matrix | 101 Computing
3D animation of golden calculator rotati... | Stock Video | Pond5