Math Terms

3. triangle a triangle that has no congruent sides
4. a figure formed by two rays with a common endpoint or a vertex
8. lines lines that form right angles
10. a quadrilateral with 2 pairs of parallel sides
11. lines lines that never intersect and go on forever
12. triangle a triangle which all sides are congruent
15. a point where two sides intersect
16. lines lines that are in different planes that never intersect or are parallel
18. a lines that starts at one end point and goes on forever
19. a polygon or a quadrilateral that has four right angles and opposite sides are congruent
20. angle an that measures less than 90 degrees
21. angle an angle that measures more than 90 degrees but less than 180 degrees
22. a polygon or quadrilateral that has 4 congruent sides and four right angles

1. a closed plane figure
2. a quadrilateral with only one pair of parallel sides
5. angles 2 angles that up to 180 degrees
6. angles a pair of angles that are across from each other and are congruent and are formed by intersecting lines
7. angle measures exactly 180 degrees
9. angles 2 angles that add up to 90 degrees
13. polygon a polygon which all sides and angles are congruent
14. triangle a triangle with 2 congruent sides
17. a straight path that goes on without end in opposite directions