IM1 Crossword Puzzle B

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Across
  1. 1. A quadrilateral with four congruent sides and two pairs of opposite sides are parallel.
  2. 9. A quadrilateral in which all right angles and the opposite sides are equal and parallel.
  3. 10. A quadrilateral with four equal sides, four right angles and two pairs of opposite sides are parallel.
  4. 12. A quadrilateral with only one pair of parallel sides.
  5. 16. Two intersecting lines that form four right angle at their point of intersection.
  6. 18. A quadrilateral with two pairs of congruent adjacent or consecutive sides.  It looks like a toy kite.
  7. 19. A triangle with three equal sides and three equal angles.
  8. 20. A part of a straight line that has two distinct endpoints.
Down
  1. 2. A triangle wth one angle measure greater than degrees.
  2. 3. A six sided polygon
  3. 4. Lines that cross or meet each other at a single point.
  4. 5. A straight line segment that passes through the center of the circle and whose endpoints lie on the circumference of the circle.
  5. 6. An angle measures greater than 0 but less than 90 degrees.
  6. 7. An eight sided polygon.
  7. 8. A line segment that joins two points on the circumference of the circle.
  8. 11. A triangle with all angles less than 90 degrees.
  9. 13. A triangle with two equal or congruent sides.
  10. 14. A part of a line with one endpoint that extends infinitely in one direction.
  11. 15. A triangle in which one angle is 90°
  12. 17. An alignment of sets of points on a straight path that extends infinitely, goes on forever, in opposite directions.