Math Word Expert Puzzle

1234567891011121314151617
Across
  1. 2. It is straight, has no thickness or depth and extends in both directions without end (infinitely).
  2. 4. A line with a start point but no end point (it goes to infinity)
  3. 5. Lines that do not intersect
  4. 6. .... angle of a polygon is an angle formed by two sides of a polygon
  5. 8. A part of a line that has two endpoints.
  6. 11. A .... Polygon is one having at least one interior angle which is greater than 180 degrees
  7. 12. A line segment (or its length) showing the height of a figure
  8. 14. A polygon with four sides
  9. 16. .... sides is two sides of a polygon that share a common vertex
  10. 17. A pattern to be cut and folded to make a solid shape
Down
  1. 1. ...... of an angle is a point common to the two sides of the angle.
  2. 3. It is represented by a dot. Has no length, width, or thickness. It is designated by a capital letter to the dot.
  3. 5. Two lines that intersect each other and form right angles
  4. 7. A .... Polygon is one whose interior angles are all less than 180 degrees
  5. 9. .... angle is an angle that outside a polygon
  6. 10. A point, segment, ray, or line that divides a line segment, angle, or an arc into congruent parts.
  7. 11. Two angles are ……. If they have the same measure
  8. 12. It is formed by two rays that have the same endpoint
  9. 13. Plane/flat shape completely enclosed by three or more straight edges
  10. 15. A line segment or line that is intersection of two faces in geometric figure