Chapter 2

12345678910111213141516171819
Across
  1. 4. A quadrilateral with opposite sides that are parallel
  2. 6. Two angles whose measures add up to 90 degrees
  3. 7. Two angles whose measures add up to 180 degrees
  4. 8. A parallelogram with all sides of equal length
  5. 9. Formula that relates the sides of a right triangle (a² + b² = c²)
  6. 15. An angle that measures 90 degrees
  7. 16. A quadrilateral with four equal sides and four right angles
  8. 17. A quadrilateral with only one pair of parallel sides
  9. 18. A statement that has been proven based on previously established rules
  10. 19. Angles that are opposite each other when two lines intersect
Down
  1. 1. The longest side of a right triangle
  2. 2. The total distance around the edge of a shape
  3. 3. An educated guess or hypothesis
  4. 5. Angles that are in the same position on two parallel lines cut by a transversal
  5. 6. Exactly equal in shape and size
  6. 10. A triangle with one 90-degree angle
  7. 11. The amount of space inside a two-dimensional shape
  8. 12. A line that intersects two or more lines at different points
  9. 13. A quadrilateral with four right angles
  10. 14. Angles that lie between two lines on opposite sides of a transversal