Geometry Vocabulary

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Across
  1. 1. the distance around the exterior of a figure
  2. 4. a comparison of two quantities
  3. 5. divides a segment into 2 congruent parts
  4. 7. lines that never intersect in same plane
  5. 8. a triangle with no sides of equal length
  6. 9. lines intersect at a right angle
  7. 11. 2 angles that add up to 90 degrees
  8. 13. an angle that measures exactly 90 degrees
  9. 14. Same shape, different sizes
  10. 16. rise over run or change in y to change in x
  11. 17. an angle that measures exactly 180 degrees
  12. 19. the number of square units to cover a flat region
Down
  1. 2. a quadrilateral with one pair of parallel sides
  2. 3. longest side in a right triangle
  3. 6. a triangle with all sides of equal length
  4. 8. 2 angles that add up to 180 degrees
  5. 10. a quadrilateral with 2 pairs parallel sides
  6. 12. an angle that measures >90 but <180
  7. 15. an angle that measures >0 but <90
  8. 18. a triangle with 2 sides of equal length