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Ri2601
2 năm trước
Bài 5 Cho AABC vuông tại A, biết AB = 6cm; AC = 8cm. a) Tính BC. b) Gọi M là trung điểm của AB. Qua M kẻ đường thắng MQ // AC, Q thuộc BC. Tứ giác AMQC là hình gì? Vì sao? c) Giả sử BQ = 5cm. Tinh chu vi tứ giác AMQC. các bạn làm câu c thôi nha
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