Across
- 4. 3 bisectors in an interior triangle intersect
- 5. two objects being the same shape
- 10. (x1-x20)^2 + (y2-y1)^2 squarerooted
- 15. two angles with a common vertex
- 17. A=bh
- 18. distance from the center of the triangle to the midpoint of a side
- 19. A=1/2(d1 X d2)
- 20. polygon A= 1/2Pa
Down
- 1. (x1+x2/2), (y1+y2/2)
- 2. statement that's true but not fully proven
- 3. angle less than 90 degrees
- 6. a line segment joining a vertex
- 7. a^2 + b^2 = c^2
- 8. 90 degree angles
- 9. intersection making a 90 degrees angle
- 11. figure formed by two rays and is connected at an endpoint
- 12. if and only if statement
- 13. an operation that undoes a question
- 14. a line with a single endpoint
- 16. A=S^2