math vocab
Across
- 3. a straight one-dimensional figure having no thickness and extending infinitely in both directions.
- 4. two-dimensional doubly ruled surface spanned by two linearly independent vectors. ... For every set of points in the plane
- 5. in the same plane.
- 6. a location on a graph
- 8. The part of a line that connects two points. ... Adding the word "segment" is important, because a line normally extends in both directions without end
- 10. (of points) lying in the same straight line.
- 14. occurs when a line is drawn to divide a shape in halves
- 16. a polygon that is equiangular (all angles are equal in measure) and equilateral (all sides have the same length).
- 17. A line which starts at a point with given coordinates, and goes off in a particular direction to infinity, possibly through a second point.
- 18. to divide into two equal parts
- 19. the shape and relative arrangement of the parts of something.
- 20. the quality of being made up of exactly similar parts facing each other or around an axis.
Down
- 1. A point on a line segment that divides it into two equal parts
- 2. a shape with the same on both sides of a line drawn down the middle.
- 7. halfway point of a line segment
- 9. an object is rotated around a center point (turned) a number of degrees and the object appear the same.
- 11. the imaginary line where you could fold the image and have both halves match exactly.
- 12. a bar with one accurately straight edge, used for testing whether something else is straight.
- 13. instrument used for drawing circles and arcs.
- 15. two dots that end a line segment