Across
- 5. Circle that touches all sides of a triangle
- 6. Splits angles in half
- 8. Circle that touches all angles of a triangle
- 10. All angles are acute
- 12. 180 degrees
- 13. His last name
- 14. All sides are equal
- 15. Center of inscribe
Down
- 1. Line from an angle ending at the bisector of the opposite line
- 2. The square of two sides of a triangle equal the square of the hypotnuse
- 3. Center of circumscribe
- 4. 90 degrees from
- 7. A branch of mathematics
- 9. Exactly halfway between two points
- 11. Coolest Kid on Earth