Math

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Across
  1. 3. Curved inwards.
  2. 5. Curved outwards.
  3. 6. the amount of turn between two lines around their common point.
  4. 7. A flat shape with 4 straight sides where opposite sides are parallel.
  5. 8. A line segment on the boundary joining one vertex (corner point) to another.
Down
  1. 1. A flat shape with 4 straight sides.
  2. 2. triangle A triangle with all sides of different lengths.
  3. 4. The same shape and size, but we are allowed to flip, slide or turn
  4. 5. a 2-dimensional shape made by drawing a curve that is always the same distance from a center.