Geometry Topic 1 Vocabulary!

2. has a circular base and a vertex
4. a closed figure whose sides are all segments
6. a measurable part of a line that consists of two endpoints and all of the points between them
8. an angle that measures 90 degrees
13. made up of points and has no thickness or width
14. two nonadjacent angles formed by two intersecting lines, segments, or rays
16. location of point M if P, Q, and M are collinear and PM + MQ = PQ
18. the number of square units needed to cover a surface
21. a solid with all flat surfaces that enclose a single region of space
22. a location
25. the point on a segment that divides the segment into two congruent segments
26. An angle that measures 180°
27. angle an angle whose measure is less than 90 degrees
31. a flat surface made up of points
33. a solid with congruent circular bases in a pair of parallel planes
34. angles two angles that lie in the same plane, have a common vertex and a common side, but no common interior points
36. a line containing a side of a polygon passes through the interior
37. two angles with measures that have a sum of 180 degrees
41. flat surface of a solid
42. the rays of an angle
44. methods of creating geometric figures without the benefit of measuring tools

1. points on the same line
2. two angles with measures that have a sum of 90
3. when segments have the SAME measure
5. terms only explained using examples and descriptions
7. collinear rays with the same endpoint
9. a ray that divides an angle into two congruent angles
10. an angle whose measure is more that 90 degrees but less that 180 degrees
11. a unit that results from dividing the circumference into 360 parts
12. lines, segments, or rays that form right angles
15. a polyhedron with all faces (except one) intersecting at one vertex
17. the point on a segment that divides the segment into two congruent segments
19. any segment, line, or plane that intersects a segment at its midpoint
20. a set of points in space that are a given distance from a given point
23. common endpoint of an angle
24. distance around a circle
28. a boundless, three-dimensional set of all points
29. part of a line with one endpoint and extends indefinitely in one direction
30. points that lie on the same plane
31. sum of the length of the sides of a polygon
32. a pair of adjacent angles with noncommon sides that are opposite rays
35. a line containing a side of a polygon where no points of the line are in the interior
38. a polyhedron with two parallel congruent faces
39. line segment where faces intersect on a solid
40. two parallel congruent faces of a prism
43. formed by two noncollinear rays that have a common endpoint