Maths

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Across
  1. 4. Polygon with sum of interior angles equal to 720 degrees.
  2. 6. It has uncountable or infinite numbers of sides.
  3. 8. Straight lines which never intersect.
Down
  1. 1. A shape which has equal angles and equal sides.
  2. 2. has only one apex or vertex point.
  3. 3. A three-dimensional, square-shaped figure.
  4. 5. the sum of the internal angles is equal to 180 degrees.
  5. 7. a three-dimensional, rectangle-shaped figure.