Mathematics, 15.12.2021 16:20 tyresharichardson29
Cho tam giác ABC ,M là điểm nằm giữa B và C , quá M kẻ ME //AB ( E€Ac) ,MF//AC. F€AB
a) cm tứ giác AEMF là hình bình hành
b) điểm m ở vị trí nào trên cạnh BC thì tứ giác AE MF là hình thoi ?
c) nếu tam giác ABC vuông góc A thì tứ giác AEMF là hình j
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Cho tam giác ABC ,M là điểm nằm giữa B và C , quá M kẻ ME //AB ( E€Ac) ,MF//AC. F€AB
a) cm tứ giác...
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