school lesson items high student learning geometry class measure angles degrees small child girl use |
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| navigate by keyword : angles autumn child childhood children class college compass degrees different education elements engineering equipment eraser geometric geometry girl graphics high hold holding instrument kid learning lesson little math mathematics measure measurement protractor rule ruler school small stationery student time tool trigonometry use |
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| School lesson items. High school student learning geometry in class. measure angles in degrees. Small child girl use protractor and triangle for geometry lesson. Learning to use tools. back to school. |
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