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Butoxors [25]
3 years ago
13

Cho 4 điểm ABCD thỏa mãn điều kiện AB//CD; AD//BC. Gọi P và Q lần lượt là trung điểm của DC và BC. Gọi M là trung điểm của AB. G

ọi E, F lần lượt là giao điểm của BD với AP và CM; O là giao điểm của AC và BD.
a) Chứng minh O là trung điểm của AC và BD.
b) Chứng minh C, F, M thẳng hàng.
c) Chứng minh DE = EF = FB.
Mathematics
1 answer:
lina2011 [118]3 years ago
4 0

Answer:

i dont even know this language

Step-by-step explanation:

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