Mathematics

Mathematics, 17.09.2021 20:40, nacgrading3p6d8pf

Cho hình thang cân ABCD (AB//CD) có góc D = 80 độ . Tính góc B ?

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Cho hình thang cân ABCD (AB//CD) có góc D = 80 độ . Tính góc B ?...

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