I love math

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Across
  1. 3. A four-sided shape with one pair of parallel lines.
  2. 6. A four-sided shape whose all four sides are the same and form right angles.
  3. 8. An angle that is 180 degrees.
  4. 9. An angle that is greater than 180 degrees.
  5. 10. The point at which two line segments meet.
  6. 11. An angle that is 90 degrees.
Down
  1. 1. An angle that is greater than 90 degrees but less than 180 degrees.
  2. 2. A four-sided shape that has two pairs of parallel lines and do not form right angles.
  3. 4. An angle that is less than 90 degrees.
  4. 5. A four-sided shape that has two pairs of parallel lines and form right angles.
  5. 7. The name for a closed figure with four sides
  6. 11. A four-sided shape whose all four sides are the same and do not make a right angle.