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VÒ phÝa ngoµi cña gãc AOB vÏ 2 tia OC vµ OD theo thø tù vu«ng gãc víi OA vµ OB.[r]
Toán 7 Hình Học [123pdf] bài tập nâng cao hình học chương 1
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![Bài 1.(4,5/119- ktcb)Trong hình 1 cho MN // PQ. Tìm số đo góc B? Trong hình 2 cho AB // DE - Toán 7 Hình Học [123pdf] bài tập nâng cao hình học chương 1](https://media.store123doc.com/figures/000/728/ktcb-hinh-mn-pq-tim-do-goc-hinh-728402.png)
i.
1.(4,5/119- ktcb)Trong hình 1 cho MN // PQ. Tìm số đo góc B? Trong hình 2 cho AB // DE Xem tại trang 2 của tài liệu.Từ khóa liên quan
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