题目内容

360°45°110°90°150°60°100°15°130°180°160°91°
锐角:______ 直角:______ 钝角:______平角:______周角:______.
依据角的概念及分类,答题如下;
锐角:45°60°15° 直角:90° 钝角:110°150°100°130°160°91°平角:180°周角:360°
故答案为:45°60°15°;90°;110°150°100°130°160°91°;180°;360°.
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