2D shapes

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Across
  1. 1. a quadrilateral whose four sides all have the same length
  2. 2. a polygon with three edges and three vertices
  3. 5. a convex quadrilateral with at least one pair of parallel sides
  4. 6. a six-pointed geometric star figure
  5. 7. a round, two-dimensional shape.
  6. 8. an eight-sided polygon
Down
  1. 1. a four-sided flat shape where every angle is a right angle (90°)
  2. 3. a six-sided polygon
  3. 4. a quadrilateral whose four sides can be grouped into two pairs of equal-length sides that are adjacent to each other