Geometry Vocabulary

3. a triangle with at least two congruent sides
5. part of a line connecting two points
9. two lines that intersect at right angles
12. two angles that are next to each other
14. an angle with a measure less than 90 degrees
15. two angles that across from each other when lines intersect, they are always congruent
16. a quadrilateral with one pair of parallel sides and one pair of sides that is not parallel
18. a quadrilateral with four right angles
20. lines that never intersect
21. two angles that add to 180 degrees
22. a triangle with three congruent sides
23. a quadrilateral with four congruent sides
25. a quadrilateral with four congruent sides and four right angles

1. objects that have the same measure
2. two angles that add to 90 degrees
4. an angle with a measure more than 90 degrees
5. a 180 degree angle
6. an object that has no endpoints and continues forever in two directions
7. a quadrilateral with two sets of adjacent congruent sides
8. a four sided figure
10. a 90 degree angle
11. part of a line that has one endpoint and continues forever in one direction
13. a triangle with no sides equal in length
17. a polygon in which all the sides and angles are equal
19. a figure formed by two rays sharing a common endpoint
20. a quadrilateral with two sets of opposite parallel sides
24. the point where the rays of an angle intersect