Geometry

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Across
  1. 3. non coplanar. Lines that are not parallel, and they do not intersect.
  2. 6. a parallelogram with 4 congruent sides, and 4 right angles.
  3. 7. a flat surface, and has no thickness. Can be named by a capital letter.
  4. 12. multiplying both sides of a/b=c/d, ad=bc.
  5. 13. A statement of equality between two ratios. a/b = c/d
  6. 14. a quadrilateral with both pairs of opposite sides equal.
  7. 16. a conclusion. Based on inductive reasoning.
  8. 17. A parallelogram with 4 right angles.
  9. 19. coplanar. Lines that do not intersect.
Down
  1. 1. a quadrilateral with 2 pairs of adjacent sides.
  2. 2. a comparison of two quantities.
  3. 4. when 3 or more ratios are equivalent.
  4. 5. Nonparallel opposite sides are congruent.
  5. 8. Based on patterns you observe.
  6. 9. divides a segment into two congruent segments.
  7. 10. a quadrilateral with exactly 1 pair of parallel sides.
  8. 11. angles of a polygon that share a side.
  9. 15. a parallelogram with 4 congruent sides.
  10. 18. a part of a line with one endpoint. Named by two capital letters.
  11. 20. a series of points that extend indefinitely. Can go in either direction, named using only two points.