quandeptraivcl61 quandeptraivcl61

27-01-2024
Mathematics

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cho hình thang vuông ABCD ( AD//BC) .Điểm M trên cạnh AB , biết AD=2 ,MB =3 , DM = 3 ,CM=4,5 .
chứng minh :
a)Tam giác ADM đồng dạng Tam giác BMC
b) Chứng minh góc DMC = 90

Respuesta :

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