Hình thang cân ABCD (AB//CD) có góc A=70 độ.Khẳng định nào sau đây đúng

A.C=110 độ                             B.B=110 độ            C.C=70 độ                D.D=70 độ
Hình thang cân ABCD (AB//CD) có góc A=70 độ.Khẳng định nào sau đây đúng 

A.C=110 độ                             B.B=110 độ            C.C=70 độ                D.D=70 độ
Chọn A
giải thích cho nta tại sao ra đáp án đó đi e? –  ๖ۣۜTQT☾♋☽ 22-09-17 08:15 AM
A

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