Across
- 2. A boundless three-dimensional set of all points
- 6. A statement or conjecture that can be proven true by undefined terms, definitions, and postulates.
- 8. The point of concurrency of the medians of a triangle
- 11. A line that intersects 2 or more lines in a plane at different points
- 12. A unit of measure used in measuring angles and arcs
- 13. In a triangle, a segment from a vertex of the triangle to the line containing the opposite side and perpendicular to that side.
- 14. A triangle with all angles congruent
- 17. Two polygons are _______ if and only if their corresponding angles are congruent and the measures of their corresponding sides are proportional.
- 20. An angle ________ is a ray that divides an angle into 2 congruent angles
Down
- 1. A line ________ is a measurable part of a line that consists of two points, called endpoints, and all of the points between them
- 3. In a triangle a line segment with endpoints that are a vertex of a triangle and the midpoint of the side opposite the vertex
- 4. The sum of the lengths of the side of a polygon
- 5. A triangle with no two sides congruent
- 7. The ___ of any measurement depends on the smallest unit available on the measuring tool
- 9. A triangle with all sides congruent
- 10. A point is in the __________ of an angle if it does not lie on the angle itself and it lies on a segment with endpoints that are on the sides of the angle
- 15. A triangle with at least two sides congruent
- 16. The point halfway between the endpoints of a segment
- 18. A comparison of two quantities
- 19. A logical argument in which each statement you make is supported by a statement that is accepted as true
