math vocabulary

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Across
  1. 2. angle/an angle with a 90' angle
  2. 3. by two rays that have the same endpoint
  3. 6. triangle/triangle with no congruent sides
  4. 7. triangle/triangle with three congruent sides
  5. 9. the same measure
  6. 11. triangle/triangle with one obtuse angle
Down
  1. 1. for angles
  2. 4. triangle/triangle with 2 congruent sides
  3. 5. angle/an angle that measures exactly 180'
  4. 8. common endpoint of two rays for an angle
  5. 10. angle/an angle with a measure between 0' and 90'