Geometry Puzzle

2. straight one-dimensional figure that extends infinitely in opposite directions
5. Guess based on patterns
6. two segments that meet at right angles
10. exactly 90 degrees
15. If NOT Conclusion, then NOT Hypothesis
16. If angle a equals 81 degrees and angle b equals 99 degrees then they are?
17. swapping hypothesis and conclusion
19. statement that is assumed true without proof
20. less than 90 degrees

1. formed by two rays or line segments that share a vertex
3. two angles whose measures add up to 90 degrees
4. a triangle where all three sides have different lengths and all three angles have different measures
7. figures with the same size and shape
8. A point that is in the middle of a line that divides it into two equal partsConjecture guess based on patterns
9. A statement that has an opposite meaning of a given statement
11. If not a, then not b
12. divide a figure into two equal parts
13. True statements that can be proven
14. starts at a point and extends in one direction infinitely
18. more than 90 degrees