Хурц, мохоо, тэгш өнцөг. Бидний тухай. Acute angles measure less than 90 degrees. Right angles measure 90 degrees. Obtuse angles measure more than 90 degrees. Learn about angles types and see examples of each. Created by Сал Хан. Гүүгэл анги Фэйсбүүк Твиттер. Имэйл.
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