Geometrylessonsgithub ((new)) May 2026
### **2. `requirements.txt`**
### **3. Sample Lesson: `lessons/01_points_lines/lesson_notes.md`** geometrylessonsgithub
line = Line(dot_a.get_center(), dot_b.get_center(), color=YELLOW) ray = Line(dot_a.get_center(), RIGHT * 4, color=GREEN, stroke_width=6) segment = Line(dot_a.get_center(), dot_b.get_center(), color=PURPLE) ### **2
## Installation See `installation.md`.
def circle_equation(center, radius): """Returns (h,k,r) for (x-h)^2 + (y-k)^2 = r^2.""" return (center[0], center[1], radius) </code></pre> <hr> <h3><strong>7. <code>tests/test_geometry_utils.py</code></strong></h3> <pre><code class="language-python">from tools.geometry_utils import distance, slope color=YELLOW) ray = Line(dot_a.get_center()