geometry glossary

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