Triangle Vocabulary

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Across
  1. 3. An instrument used to draw, which can be erased (6)
  2. 5. An instrument used to construct triangles (7)
  3. 7. An instrument used to measure a right angle (3,6)
  4. 9. A triangle with 3 sides that are the same length (11)
Down
  1. 1. A triangle with a right angle (5,5)
  2. 2. A triangle with 2 sides that are the same length (9)
  3. 4. An instrument used to measure length (5)
  4. 6. 'Longeur' in English
  5. 8. 'Côté' in English