Module 5: Quadrilaterals and Triangles

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Across
  1. 1. A quadrilateral with 4 congruent (equal) sides
  2. 3. A closed 2-D shape with straight sides
  3. 6. A 2-dimensional closed shape with 4 sides
  4. 8. A quadrilateral with 2 sets of parallel sides
  5. 11. A triangle with ONE right angle (exactly 90 degrees)
  6. 12. A polygon with 3 sides and 3 angles
  7. 15. A triangle with ONE obtuse angle (greater than 90 degrees)
  8. 17. A triangle with 2 congruent (equal) sides
Down
  1. 2. A triangle with NO congruent (equal) sides
  2. 4. 2 lines that, if extended forever in both directions, will NEVER intersect
  3. 5. A quadrilateral with 4 equal sides, 4 right angles and 2 sets of parallel sides
  4. 7. A quadrilateral with 4 right angles
  5. 9. A triangle with ALL 3 acute angles (less than 90 degrees)
  6. 10. A triangle with 3congruent (equal) sides
  7. 13. A quadrilateral with only ONE set of parallel sides
  8. 14. Equal in length, in geometry
  9. 16. lines that cross each other