Câu 27: (2,0?) Cho tam giác ABC vuông t?i A, g?i M, N l?n l??t là trung ?i?m c?a AC, BC, E ??i x

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Madhur L · Answer

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Darshan Maheshwari · Answer

use law of signs and explain why no triangle ABC is possible that satisfies the given condition.

Câu 27: (2,0?) Cho tam giác ABC vuông t?i A, g?i M, N l?n l??t là trung ?i?m c?a AC, BC, E ??i x?ng v?i B qua M. a/ Ch?ng minh t? giác ABCE là hình bình hành. b/ Trên AE l?y ?i?m D sao cho AD = CN. Ch?ng minh t? giác ADCN là hình thoi.