Lines, Shapes and Angles

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Across
  1. 1. Lines that meet at a right angle.
  2. 2. Angles smaller than a right angle.
  3. 4. A quadrilateral with one pair of parallel sides.
  4. 6. The space inside a shape.
  5. 7. Angles larger than a right angle.
  6. 8. Lines that will never meet.
  7. 10. 90 degree angle.
  8. 12. A polygon with 4 sides.
  9. 13. A triangle with no equal sides.
Down
  1. 1. The distance around a shape.
  2. 3. A polygon with all equal sides.
  3. 5. A triangle with all equal sides.
  4. 8. A flat, closed shape with straight sides.
  5. 9. A 10 sided polygon.
  6. 11. A triangle with two equal sides.