vocabulary

2. all elements that are either set
5. the contraction of a statement
8. a table giving all the possible combination of truth values for a given statement
10. angles between legs
12. side apposite right angle
14. an instrument for physically measuring angles
17. a 180 degree angle or half turn
19. 2 congruent sides
20. the mathematical study of points,lines,shapes and space

1. case in which objects lie on the same plane
3. were a strategy or plan is followed to reach a solution
4. a process of doing numeric calculations mentally
6. were information about a problem is examine
7. 2 angles adjacent to base
9. the numeric value representing the pitch of a line
11. angles formed by the transversal of two lines and that are outside the two lines
13. a statement established as a true by the result of a proof
15. angles of equal measure
16. a 90 degree angle or quarter turn
18. an angle with more than 0 degrees and less than 90 degree