Mathematical Terms

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Across
  1. 4. A triangle with no sides the same length
  2. 5. An angle that measures exactly 90 degrees
  3. 7. An angle that measures more than 90 degrees and less than 180
  4. 11. A straight path made when connecting 2 or more points
  5. 12. Length x width
  6. 13. A 4-sided polygon with four equal sides
  7. 15. A flat surface
  8. 17. Lines that intersect at a right angle
  9. 18. The distance around a closed plane figure/polygon
  10. 19. A 4-sided polygon with opposite sides parallel
Down
  1. 1. A triangle with all sides the same length
  2. 2. An angle measuring less than 90 degrees
  3. 3. The point where two sides of an angle or polygon meet
  4. 6. A triangle with at least 2 sides the same length
  5. 8. A 3-sided polygon
  6. 9. Triangle with one right angle
  7. 10. segment A straight path of points have 2 endpoints
  8. 14. A 4-sided polygon with four equal sides and 4 right angles
  9. 16. Figures with the same shape but not always the same size