Mathematics, 06.08.2021 14:00 brianna8739

Cho hình thang ABCD có ab song song với cd, ad+bc=cd. liệu hai đường phân giác của góc a và góc b có cắt nhau tại một điểm nằm trên đáy dc hay không

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Cho hình thang ABCD có ab song song với cd, ad+bc=cd. liệu hai đường phân giác của góc a và góc b có...

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