CHƯƠNG 2
VẼ HÌNH HỌC
Chia đường thẳng thành n phần đều nhau
A
B
t
α
1
2
3
AB
AB
E
C
F
Chia đường tròn thành n phần đều nhau
D
A
B
EF
1
2
3
4
5
6
Chia đường tròn thành 2n+1 phần đều nhau
Vẽ nối tiếp hai đường thẳng bằng một cung tròn
Làm thê nào tìm tâm cung tròn???
![Ôn thi chứng chỉ hành nghề hoạt động xây dựng: Pháp luật Thiết kế xây dựng công trình & Công trình Xử lý chất thải rắn (Hạng 3) [Chuẩn nhất]](https://cdn.tailieu.vn/images/document/thumbnail/2026/20260514/hoahongxanh0906/135x160/48951778837693.jpg)
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