Nông Triệu Văn
Hỏi từ APP VIETJACK
Cho hình tứ giác ABCD có góc đỉnh a và góc đỉnh d đều là góc vuông vẽ đường thẳng đi qua b và song song với cạnh AD cắt cạnh BC tại điểm e quan sát hình vẽ được ở câu a rồi trả lời câu hỏi góc đỉnh e của hình tứ giác bed a ở trên có là góc vuông hay không
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1 câu trả lời 227
1 năm trước
- Học sinh dùng ê – ke vẽ như hình dưới
- Học sinh dùng ê – ke để kiểm tra sẽ thấy góc đỉnh E của tứ giá BEDA là góc vuông
Nói thêm: Góc đỉnh B của tứ giác đó cũng là góc vuông. Tứ giác ABDA là hình chữ nhật
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Câu hỏi hot cùng chủ đề
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42824
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Hỏi từ APP VIETJACK23170
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