Across
- 3. A corollary can be this too
- 5. If the line bisects the vertex, then the line is also the perpendicular bisector of the base
- 6. The proof of the Isosceles Triangle Theorem requires a specific line
- 10. To be identical in form
- 12. May have a common side or angle
- 14. A given statement that proves a concept true
- 15. A figure formed by two rays
- 16. The triangles have congruent hypotenuses
- 17. Having all its sides of the same length
- 19. Having equal angles
- 21. If two sides of a triangle are congruent, then the angles opposite to those are congruent
Down
- 1. The same on both sides of an axis
- 2. Is formed by the two congruent legs
- 4. The point where two lines meet to form an angle
- 7. A 3-sided polygon
- 8. The right angle always "points" to it
- 9. The congruent sides of an isosceles triangle
- 11. Can be proved easily using another theorem
- 13. It switches the if and then
- 18. Having two sides of equal length
- 20. The third side of a triangle