2D Shapes

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Across
  1. 5. Half a circle
  2. 7. 3 straight sides and 3 angles
  3. 8. 3 straight sides and 3 angles,including a right angle
  4. 9. 2 pairs of straight parallel lines with 4 right angles
Down
  1. 1. 4 equal sides and 4 right angles
  2. 2. Fit together with no gaps
  3. 3. 6 straight sides with 6 angles
  4. 4. An egg-like shape
  5. 6. A round shape where the radius is the same all the way around