PIS L1I1

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Across
  1. 2. A parallelogram with four congruent sides.
  2. 3. A quadrilateral with two pairs of consecutive sides congruent.
  3. 5. A rhombus with four right angles.
  4. 6. A polygon with an angle greater than 180 or a diagonal can be drawn outside of the polygon.
  5. 8. A polygon with all angles less than 180 or a polygon with all diagonals inside the polygon.
  6. 9. Same size and same shape.
  7. 10. Line segments connecting any two non-adjacent vertices.
  8. 11. A quadrilateral that has two pairs of opposite sides congruent.
Down
  1. 1. A triangle is formed if the sum of the lengths of two sides is greater than third side length.
  2. 2. A parallelogram with four right angles.
  3. 4. A quadrilateral with at least one pair of parallel sides.
  4. 7. Dividing polygons into triangles.