Across
- 4. the point and which a line segment or ray ends
- 6. a polygon with 3 sides
- 7. an unit of linear measure equal to one twelfth of a foot
- 8. an angle with a measure more than 90 degrees
- 10. a shape with 4 equal sides and 4 vertices
- 12. triangle with 2 or more sides of equal length
- 13. a general preposition not self- evident, but proved by a chain of reasonings
- 15. a principal or standard by which something is judged
Down
- 1. a diagram showing relations between variable quantities as x and y
- 2. branch of mathematics concerned with relation of a point, line, solids, and shapes
- 3. a 3-D shape composed of 4 triangle faces, 6 edges, and 4 vertices
- 5. a line with a single endpoint that extends infinitely in one direction
- 9. being the same in quantity
- 11. given information in a proof
- 14. the point or place where something begins or starts
