[trạihoa�����] [国語 å°�妿 ¡ã€€5年生 秋ã�®å¤• 指導案] [冠位十二階] [Polygon A B C D E has 5 sides.Which is a correct description of the polygon? It is a concave pentagon because segment AE would extend into the inside of the polygon, and it has five sides.It is a convex hexagon because it has six sides and none of the sides would extend into the inside of th] [Những bàẩn trong cuá»™c đ�i] [Phân tÃch dữ liệu] [tin h��ï¿Ãâ%EF] [thời đại thứ tư] [kim loại] [�t]