Geometry

1. a list of statements and reasons used to prove that a given mathematical concept or idea is true
5. a point in time halfway between the beginning and end
7. the same set of points
8. A combination of two rays
9. created when the hypothesis and conclusion are reversed
10. an educated guess that is based on know information
11. The amount of space in certain 3D
14. the opposite of a given mathematical
15. an example that satisfied the statement condition
17. intersect at 90-degree angle forming a square corner
19. lying on the same plane
20. a statement that can be demonstrated to be true by accepted mathematical operations and arguments
21. A point on a polygon where the sides or edges of the objects

1. the total measurement of all edges of a shape
2. A statement joining two events together based on a condition
3. a statement also know as an axiom, which is taken to be true without proof
4. the process of arriving at a conclusion based on a set of observation
6. any closed curve consisting of a set of line segments
9. lying on or passing through the same straight line
12. an unproved statement which is supported by all the available data and by many results
13. A combination of two rays with common endpoints
16. A line that divides the line segment into 2 equal parts
18. when both the hypothesis and conclusion are negated