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Từ điển Oxford Advanced Learner 8th
set square ![](images/dict/s/set square.gif)
ˈset square [set square set squares] BrE NAmE (BrE) (NAmE tri·angle) noun an instrument for drawing straight lines and angles, made from a flat piece of plastic or metal in the shape of a triangle with one angle of 90° ![](img/dict/f/z_classroom_objects_comp.jpg) See also: ↑triangle
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