The Shapes words Crossword

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Across
  1. 3. curved inwards
  2. 6. A number that shows the size or amount of something.
  3. 7. this shape is perfectly symmetrical
  4. 8. The amount that something can hold.
  5. 9. curved outwards
  6. 10. this is a flat shape with opposite sides parallel and equal in length.
Down
  1. 1. Having the same value.
  2. 2. The word means one shape can become another using Turns, Flips and/or Slides.
  3. 4. this is a shape with 8 corners
  4. 5. this word means four sides