Shape Crossword

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Across
  1. 4. A shape that is round and has no sides
  2. 6. A flat shape with four equal sides and four right angles
  3. 7. A shape with three sides
Down
  1. 1. A flat shape with four sides, two long and two short
  2. 2. The place where two sides meet in a shape
  3. 3. The number of these tells how long or wide a shape is
  4. 5. A 3D shape with six square faces
  5. 6. A triangle has three straight