Geometry

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Across
  1. 4. A 8-sided polygon
  2. 8. A triangle with at least two sides congruent
  3. 11. An angle with measure 180
  4. 13. A plane figure formed by coplanar segments such that each segment intersects exactly two other segments, one at each endpoint; and no two segments with a common endpoint are collinear
  5. 14. A statement that can be proved
  6. 15. A quadrilateral with 4 right angles
  7. 16. A triangle with all angles congruent
  8. 17. A quadrilateral with four congruent sides
  9. 19. An angle with measure of 90
  10. 20. Two angles in a plane that have a common vertex and a common side but no common interior points
Down
  1. 1. The ray that divides the angle into two congruent adjacent angles
  2. 2. A quadrilateral with four right angles and four congruent sides
  3. 3. An angle with measure between 0 and 90
  4. 5. An angle with measure between 90 and 180
  5. 6. See if-then statement
  6. 7. A triangle with all sides congruent
  7. 9. A 10-sided polygon
  8. 10. A polygon that is both equilateral and equiangular
  9. 12. A quadrilateral with both pairs of opposite sides parallel
  10. 18. A 5-sided polygon