Chapter 12 Geometry

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Across
  1. 4. an _____ triangle has three acute angles
  2. 8. a parallelogram with four right angles
  3. 9. a characteristic of a figure
  4. 12. a polygon with five sides
  5. 14. ______ angles are equal in measure
  6. 17. a polygon with four sides
  7. 18. two parallel congruent faces in a prism
  8. 19. a point where three or more faces meet on a three dimensional figure
  9. 20. a triangle with two congruent angles
  10. 23. a quadrilateral in which each pair of opposite sides is parallel and congruent
  11. 24. a line segment where two faces meet
  12. 25. a parallelogram with four congruent sides
Down
  1. 1. a closed figure made of line segments that do not cross each other
  2. 2. a polygon with six sides
  3. 3. a flat surface
  4. 5. a _____ dimensional figure has length, width, and height
  5. 6. an ______ triangle has one obtuse angle
  6. 7. a polygon with eight sides
  7. 10. the amount of space inside of a three-dimensional figure
  8. 11. a parallelogram with four congruent sides and four right angles
  9. 13. a quadrilateral with one pair of opposite sides parallel
  10. 15. a _____ triangle has one right angle
  11. 16. a triangle with three congruent angles
  12. 21. a triangle with no congruent angles
  13. 22. a three-dimensional figure with two parallel congruent faces, called bases. At least three faces are rectangles