geometry

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Across
  1. 2. a triangle with three acute angles.
  2. 5. a triangle with at least two congruent sides.
  3. 6. intersects the circle in exactly one point.
  4. 9. angles angles that have the same measure.
  5. 12. line a line in the plane of circle
  6. 14. a triangle with no congruent sides.
  7. 16. a triangle with three congruent sides.
  8. 17. the distance around a closed curve.
  9. 19. a straight line that can be drawn on paper with a pencil and ruler.
  10. 20. a statement which two statements, p and q, are connected by and.
  11. 21. a parallelogram with four congruent sides.
Down
  1. 1. a triangle with an obtuse angle.
  2. 3. parallelogram with four right angles.
  3. 4. a sentence that is either true or false, but not both.
  4. 7. a closed surface made up of polygonal regions.
  5. 8. numbers the counting numbers that you learned as a small child.
  6. 10. a quad with two pairs of parallel opposite sides.
  7. 11. a statement which statements p and q, are connected by or.
  8. 13. a quad with a pair of parallel opposite sides.
  9. 15. a triangle with right angle.
  10. 18. a rectangle with four congruent sides.