Across
- 2. Ratio between circumference and diameter of a circle.
- 6. Infinite line.
- 7. Angle of exactly 90 degrees.
- 8. Distance between point x and y.
- 9. Natural number greater than 1.
- 12. Angle between two intersecting arcs of great circles of a sphere.
- 14. Line that start from point A.
Down
- 1. Radians angle unit.
- 3. Same shapes, not same size.
- 4. Equivalence of geometric shapes and size.
- 5. Perpendicular lines (90 angle).
- 10. Line from point A to point B.
- 11. A measurement of a plane angle.
- 13. Arc from point A to point B.
- 15. Formed by two rays .