MATHEMATICS STRAND- GEOMETRY

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Across
  1. 2. A regular quadrilateral with 4 equal sides and 4 right angles.
  2. 3. The general name for any closed 2D shape with straight sides.
  3. 7. The property of a shape when it can be folded to match exactly on both sides.
  4. 8. A triangle where all three sides have different lengths and all angles are different.
  5. 9. A 2D flat pattern that folds up to create a 3D solid.
  6. 12. A member of the quadrilateral family with 4 equal sides but no right angles.
  7. 13. A 2D plane shape (polygon) that has exactly six sides.
  8. 15. An angle that is smaller than 90 degrees.
  9. 16. The specific characteristics of a shape, such as its number of sides or faces.
  10. 19. The units used to measure the amount of turn in an angle.
Down
  1. 1. Lines that meet or cross at exactly 90 degrees.
  2. 3. A solid with a uniform cross-section that stays the same all the way through.
  3. 4. The name for an angle that is greater than 90 degrees but less than 180 degrees.
  4. 5. A type of triangle that has exactly two sides of equal length.
  5. 6. The plural form of "vertex"; the points where edges meet on a 3D solid.
  6. 10. Lines that are always the same distance apart and never cross each other.
  7. 11. The amount of 3D space an object occupies.
  8. 14. A quadrilateral with only one pair of parallel sides.
  9. 17. The name of an angle that forms a perfect "L" shape or a quarter turn.
  10. 18. The type of symmetry that acts like a mirror image.