Mathematics, 25.10.2021 16:50 live4dramaoy0yf9
Cho ABC. Lấy M, N, P lần lượt là trung điểm của AB, AC, BC.
a) Chứng minh tứ giác BMNC là hình thang
b) Cho BC = 10 cm, tính MN
c) Chứng minh tứ giác AMPN là hình bình hành
d) Lấy Q thuộc tia đối của tia PN sao cho N là trung điểm của PQ. Chứng minh tứ giác ABPQ là hình bình hành
e) Chứng minh tứ giác APCQ là hình bình hành
Answers: 1
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Cho ABC. Lấy M, N, P lần lượt là trung điểm của AB, AC, BC.
a) Chứng minh tứ giác BMNC là hình tha...
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