Geometry

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Across
  1. 4. A quadrilateral with exactly one pair of parallel sides
  2. 7. An angle that is less than 180 degrees and greater than 90 degrees
  3. 10. A transformation that is reflects a figure in a mirror line
  4. 11. A quadrilateral with four congruent sides
  5. 12. Same size and same shape
  6. 13. An angle that is less than 90 degrees and greater than 0 degrees
  7. 14. Angles that their sides form two pairs of opposite rays
  8. 19. Two angles that equal 90 degrees
  9. 20. Lines that are coplanar and never meet
  10. 21. Points along the same straight line
  11. 22. A quadrilateral with four 90 degree angles
  12. 23. pair Two adjacent angles that are supplementary
  13. 24. Angle that equals exactly 90 degrees
Down
  1. 1. To divide into two congruent parts
  2. 2. A quadrilateral with two pair congruent adjacent sides
  3. 3. A triangle or trapezoid with two congruent sides
  4. 5. Lines that intersect and form a 90 degree angle
  5. 6. A polygon with angle that points in or caves in
  6. 8. A transformation that turns a figure about a fixed point
  7. 9. The distance around a figure
  8. 15. A polygon with all angles point out
  9. 16. Two angles that equal 180 degrees
  10. 17. Lines that do not meet and are not coplanar
  11. 18. A transformation that glides or slides a pre image to an image