Geometry Vocabulary

1. A ray that divides an angle into two congruent adjacent angles
3. set of points that has infinite length and width but no height
9. Two angles whos sum is 180 degrees
13. A Triangle with an obtuse angle
16. Triangle with at least two sides congruent
18. Prism where all sides are squares
20. Segment that connects two points on a circle
21. Segment whos endpoints are the center of the circle and a point on the circle
22. The set of points in a plane that are equidistant from a fixed point called a center
24. The distance around a polygon
25. of Symmetry, Divides a figure into two congruent halves that reflect one another
26. set of two points which has infinite length and width but no height.
27. Sum of all the area of all its faces
32. Triangle with all sides congruent
33. Two lines that intersect to form right angles
34. An angle whos measure is 180 degrees
35. An angle whos measure is greater then 90 degrees but less then 180
36. A point that divides the segment into two congruent sides

2. Two angles whos sum is 90 degrees
4. An angle whos measure is between 0 and 90 degrees
5. The distance around a circle
6. Chord that passes through the center of the circle
7. A triangle that has all acute angles
8. The number of square units required to cover an area
10. Two lines are parallel if they are coplanar and do not intersect
11. An angle whos measure is exactly 90 degrees
12. it is represented by a dot and named by a capital letter
14. Triangle with no sides congruent
15. Points, Points that do not lie on the same line
17. Angles that have the same measure
19. points that lie on the same line
23. is the part of a line that contains an endpoint and all points extending in the other direction
28. Two lines that are noncoplanar and will not intersect
29. Segments that have the same length
30. Number of cubic units contained in a solid
31. A triangle with a right angle