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Thutrang21
2 năm trước
1.Cạnh dài nhất của tam giác AMN là cạnh nào biết tam giác AMN cân tại M:góc N= 30 độ 2.Tam giác IGD có IG = 7cm ; DG = 13cm; ID = 10cm. Hãy so sánh các góc của tam giác IGD 3.Tam giác HKM vuông tại K có MH = 13cm ; KM = 5cm. Hãy so sánh các góc của tam giác HKM? 4.Tìm chu vi của một tam giác cân biết độ dài hai cạnh của nó là 3cm và 1cm 5.Cho hình vẽ biết AD = 2cm ; CD = 5cm. Hãy so sánh AB và BC
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