Up | Japanese

>Circle, Disk, Circular-Sector

---

Meaning of "Circle" Similarity of Circles Symmetry of Circle Chord Arc, Central Angle, Angle of Circumference Circumscribed Circle, Inscribed Circle Diameter Circle Ratio (Pi) Area of Circle Positional Relation between Circle and Line Positional Relation between Two Circles Circular Sector Drawing Circles Applying "Circle"