Mathematics, 27.07.2021 06:10 jessicahanshew99

Cho tam giác ABC có góc B=45 độ, góc C=30 độ.Đường trung trực của cạnh BC cắt cạnh ÁC tại D. Số đo góc ABD là???

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Cho tam giác ABC có góc B=45 độ, góc C=30 độ.Đường trung trực của cạnh BC cắt cạnh ÁC tại D. Số đo g...