📐 Interactive Radius Control
5.0 cm
Diameter
10.00 cm
Circumference
31.42 cm
Circle Area
78.54 cm²
⚙️ Mechanics & Actions
🌐 Environment & Grid
📖 Learning Studio
Step 1: Drag the center point (needle handle) to position your canvas point structure anywhere.
🤖 Automated Demos
🎯 Active Practice Lab
Draw a circle with radius 6.0 cm.
✅ Excellent Work!