chapter 12 crossword

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Across
  1. 2. triangle a triangle with 1 right angle and 2 acute angles.
  2. 4. a parallelogram with four congruent sides
  3. 7. prism a prism that has triangular bases.
  4. 9. Triangle a triangle with 1 obtuse angle and 2 acute angle
  5. 10. the amount of space inside a 3D figure
  6. 11. triangle a triangle with three congruent sides
  7. 14. prism a prism that has rectangular bases
  8. 16. a quadrilateral with exactly one pair of opposite sides parallel.
  9. 17. a three dimensional figure
  10. 21. figure a figure that has length width and height.
  11. 24. Figures a figure that is made of two or more three-dimensional figures.
  12. 25. a quadrilateral with four right angles” opposite sides are equal and parallel.
  13. 26. triangle a triangle with 3 acute sides
  14. 27. unit the unit of measure for volume
  15. 28. a closed figure made up of line segments that do not cross each other
  16. 29. triangle a triangle with no congruent sides
  17. 30. cube a cube with a side length of one unit
Down
  1. 1. a two-dimensional pattern of a three-dimensional figure
  2. 2. polygon a polygon in which all sides and angles are congruent.
  3. 3. a quadrillateral in which each pair of opposite sides is parallel and congruent
  4. 5. a polygon with 8 sides
  5. 6. a parallelogram with four congruent sides and four right angles
  6. 8. a polygon with six sides and six angles
  7. 12. a characteristic of a figure
  8. 13. two parrallel congruent faces in a prism
  9. 15. sides sides of a figure that are equal in length
  10. 18. the line segment where two faces of a three-dimensional figure meet
  11. 19. the point where three or more faces meet on a 3D figure.
  12. 20. a flat surface
  13. 22. a polygon with five sides
  14. 23. triangle a triangle with at least two congruent sides
  15. 28. a three-dimensional figure with two parallel, congruent faces, called bases. At least three faces are rectangles