Language of Geometry

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Across
  1. 3. an angle that is between 180 and 360 degrees
  2. 5. angles that add together to make 90 degrees
  3. 6. an angle that is exactly 180 degrees
  4. 8. an angle that is between 90 and 180 degrees
  5. 9. a triangle with exactly two side lengths that are equal and two angles that are equal
  6. 10. an angle between 0 and 90 degrees
  7. 11. an angle that is exactly 90 degrees
  8. 12. a shape whose internal angles add to make 180 degrees
Down
  1. 1. a triangle with three different side lengths and three different angle sizes
  2. 2. angles that add together to make 180 degrees
  3. 4. a triangle whose side lengths are all equal and whose angles are all 60 degrees
  4. 7. an angle that is exactly 360 degrees