Isaiah Mincey's Crossword Puzzle

123456789101112131415161718192021
Across
  1. 2. triangle A triangle with one internal angle equal to 90 degrees.
  2. 5. A rectangle having all four sides of equal length.
  3. 7. line segments Two line segments which cross to form 90 degree angles.
  4. 9. A polygon with four sides.
  5. 12. A continuous extent of length.
  6. 15. triangle A triangle with all sides equal and all angles equal.
  7. 17. A triangle which has two sides equal.
  8. 18. triangle A triangle having three unequal sides and angles.
  9. 20. angle An angle less than 90 degrees but greater than 0 degrees.
  10. 21. The part of a straight line considered as originating at a point on the line and as extending in one direction from that point.
Down
  1. 1. An equilateral parallelogram having leaning angles.
  2. 3. A quadrilateral plane figure having two parallel and two nonparallel sides.
  3. 4. A position in space.
  4. 6. line segments Line segments that do not intersect.
  5. 7. A quadrilateral having both pairs of opposite sides parallel to each other.
  6. 8. line segments Line segments that cross each other.
  7. 10. A parallelogram having four right angles.
  8. 11. A straight line extending from the center of a circle or sphere to the circumference or surface.
  9. 13. A closed plane curve consisting of all points at a given distance from a point within it called the center.
  10. 14. The intersection point of two sides of a plane figure.
  11. 16. A polygon with 5 sides and 5 angles.
  12. 19. The line segment between two points on a given curve.