Math Quadrilaterals

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Across
  1. 2. A line with a start point but no end point (it goes to infinity).
  2. 5. A four-sided figure.
  3. 6. It is a part of a line that is bounded by two distinct end points.
  4. 7. It is any 2-dimensional shape formed with straight lines.
  5. 8. In this quadrilateral all side are equal and interior angles are 90 degree each.
  6. 10. A three sided polygon.
  7. 11. Plural of radius.
  8. 12. In this quadrilateral opposites sides are equal and co interior angles are 90 degrees.
Down
  1. 1. In this quadrilateral only one pair of sides are parallel.
  2. 3. A line that cuts across two or more (usually parallel) lines.
  3. 4. A linesegment that joins two vertices of a polygon.
  4. 9. In this quadrilateral only two pairs of adjacent sides are equal.