Geometry

6. set of points in space a given distance from a given point called the center
9. arc whose measure is greater than 180 degrees
11. angle whose measure is 90 degrees
12. an arc whose endpoints are the endpoints of a diameter
14. A line that extends in one direction, rather than two
15. segment whose endpoints are the center of the circle and a point on the circle
17. a rectangle with all four sides congruent to each other
19. divides a figure into two congruent halves that reflect each other
23. a line, ray segment, or plane that divides a segment into two congruent segments
24. a formal proof that contains statements and reasons organized in two columns

1. triangle with all sides congruent
2. a polygon which is equilateral and equiangular
3. points that do NOT lie on the same plane
4. the distance around a polygon
5. arcs with equal measure in the same circle or in congruent circles
7. the distance around a circle
8. the number of square units required to cover a surface
10. parallelogram with consecutive sides congruent
13. a triangle that has all acute angles
16. for an acute angle of a right triangle, the ratio of the opposite angle and the hypotenuse
18. has two congruent circular bases in parallel planes
20. quadrilateral with exactly one pair of opposite sides parallel
21. a prism where all faces are squares
22. set of points in a plane that are equidistant from a center
25. a logical argument in which each statement you make is supported by a statement which is accepted as true