https://padlet.com/khanghlmtk00092/2ifszlm1gkgn8jx7 Được tạo từ sức hút en-us 2022-01-18 06:41:36 UTC 2025-11-19 15:12:39 UTC hello@padlet.com kietnttk00057 https://padlet.com/khanghlmtk00092/2ifszlm1gkgn8jx7/wish/1997207147  Tìm góc giữa hai đường thẳng d₁, d₂ bằng cách chọn một điểm O thích hợp (O thường nằm trên một trong hai đường thẳng). Từ O dựng các đường thẳng d₁, d₂ lần lượt song song ( có thể tròng nếu O nằm trên một trong hai đường thẳng) với d₁ và d₂. Góc giữa hai đường thẳng d₁, d₂ chính là góc giữa hai đường thẳng d₁, d₂.]]> 2022-01-18 06:54:23 UTC https://padlet.com/khanghlmtk00092/2ifszlm1gkgn8jx7/wish/1997207147 kietnttk00057 https://padlet.com/khanghlmtk00092/2ifszlm1gkgn8jx7/wish/1997208063  Hai đường thẳng trong không gian có 4 vị trí tương đối: cắt nhau, song song, trùng nhau và chéo nhau. Trong trường hợp 2 đường thẳng song song hoặc trùng nhau thì góc của chúng bằng 0°.]]> 2022-01-18 06:55:06 UTC https://padlet.com/khanghlmtk00092/2ifszlm1gkgn8jx7/wish/1997208063 kietnttk00057 https://padlet.com/khanghlmtk00092/2ifszlm1gkgn8jx7/wish/1997266565 2022-01-18 07:34:11 UTC https://padlet.com/khanghlmtk00092/2ifszlm1gkgn8jx7/wish/1997266565 ngocnpbtk00081 https://padlet.com/khanghlmtk00092/2ifszlm1gkgn8jx7/wish/1997268828 2022-01-18 07:35:38 UTC https://padlet.com/khanghlmtk00092/2ifszlm1gkgn8jx7/wish/1997268828 khanghlmtk00092 https://padlet.com/khanghlmtk00092/2ifszlm1gkgn8jx7/wish/1997268927 2022-01-18 07:35:41 UTC https://padlet.com/khanghlmtk00092/2ifszlm1gkgn8jx7/wish/1997268927 vydtttk00173 https://padlet.com/khanghlmtk00092/2ifszlm1gkgn8jx7/wish/2000505015 2022-01-19 14:19:08 UTC https://padlet.com/khanghlmtk00092/2ifszlm1gkgn8jx7/wish/2000505015 vydtttk00173 https://padlet.com/khanghlmtk00092/2ifszlm1gkgn8jx7/wish/2000563855 2022-01-19 14:39:22 UTC https://padlet.com/khanghlmtk00092/2ifszlm1gkgn8jx7/wish/2000563855 chuongpvtk00172 https://padlet.com/khanghlmtk00092/2ifszlm1gkgn8jx7/wish/2001696464 2022-01-20 00:30:20 UTC https://padlet.com/khanghlmtk00092/2ifszlm1gkgn8jx7/wish/2001696464 ductdtk00109 https://padlet.com/khanghlmtk00092/2ifszlm1gkgn8jx7/wish/2002143239 2022-01-20 06:31:56 UTC https://padlet.com/khanghlmtk00092/2ifszlm1gkgn8jx7/wish/2002143239