October Math Vocabulary

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Across
  1. 3. triangle with exactly 2 congruent sides
  2. 5. 2-dimensional (flat) shape with two pairs of parallel sides and 4 right angles
  3. 6. 2-dimensional (flat) shape with 4 sides, exactly 1 pair of which are parallel
  4. 9. 2-dimensional (flat) shape with 4 sides
  5. 10. an angle with a measure of exactly 90 degrees
  6. 13. 2-dimensional (flat) shape with 5 sides
  7. 14. 2-dimensional (flat) shape with 4 congruent sides and 4 right angles
  8. 15. 2-dimensional (flat) shape with 6 sides
  9. 16. 2-dimensional (flat) shape with 3 sides
  10. 18. triangle with all sides the same length
Down
  1. 1. a triangle whose sides are 3 different lengths
  2. 2. an angle with a measure greater than 0 degrees and less than 90 degrees
  3. 4. angle with a measurement greater than 90 degrees and less than 180 degrees
  4. 7. closed 2-dimensional (flat) shape with 3 or more sides
  5. 8. 2-dimensional (flat) shape with 4 sides, both pairs of opposite sides parallel
  6. 11. figure formed by 2 rays or line segments that share an endpoint
  7. 12. always the same distance apart
  8. 17. 2-dimensional (flat) shape with 4 congruent sides