Geometry Terms

5. circles that lie in the same plane and have the same center
6. a statement whose basic form is If p, then q. Statement p is the hypothesis and statement q is the conclusion.
7. a kind of reasoning in which the conclusion is based on several past observations
9. the ray that divides the angle into two congruent adjacent angles
10. a segment whose endpoints lie on a circle
11. providing statements by reasoning from accepted postulates, definitions, theorems, and given information
12. a line, segment, ray, or plane that intersects the segment at its midpoint
13. a statement that contains the words "if and only if"
15. a triangle with all angles congruent
16. two angles whose measures have the sum 90
17. points all in one plane
19. a line that intersects two or more coplanar lines in different points

1. points all in one line
2. a line that contains a chord
3. the perpendicular segment from a vertex to the line containing the opposite side
4. a statement that is excepted without proof
8. the set of all points
14. two angles whose measures have the sum 180
17. a statement that can be proved easily by applying the theorem
18. an unbroken part of a circle