Across
- 4. Distance around a circle
- 6. Father of geometry
- 8. Lines that never meet
- 10. A triangle with all equal sides
Down
- 1. A conic shaped like an elongated circle
- 2. Angle greater than 90° but less than 180°
- 3. Point where two lines meet
- 5. Mirror image transformation
- 7. Straight line that touches a circle at exactly one point
- 9. Half of a circle