honors geometry 1

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Across
  1. 2. a trapezoid having two right angles.
  2. 4. a set of elements in the universal set that is not part of the original set
  3. 6. both endpoints on a circle
  4. 7. quadrilateral that has at least one pair of parallel sides.
  5. 9. one way to display frequencies for two different categories collected from a single group of people.
  6. 11. regular quadrilateral, which means that it has four equal sides and four equal angles.
  7. 15. the union of a collection of sets is the set of all elements in the collection.
  8. 16. and angle with its vertex on the circle
  9. 17. a four-sided plane rectilinear figure with opposite sides parallel.
  10. 19. referred with 3 letters
  11. 20. a point or line common to lines or surfaces that intersect.
Down
  1. 1. helps calculate the number of possible outcomes of an event or problem, and to cite those potential outcomes in an organized way.
  2. 3. trapezoid in which the base angles are equal and therefore the left and right side lengths are also equal.
  3. 5. a quadrilateral with four right angles. It can also be defined as: an equiangular quadrilateral,
  4. 8. a quadrilateral whose four sides all have the same length. Another name is equilateral quadrilateral,
  5. 10. a rectangular diagram that is used to multiply and divide two numbers or expressions
  6. 12. an angle in a circle with its vertex at the center of the circle
  7. 13. referred with 2 letter
  8. 14. the middle point of a line segment.
  9. 18. two equal angles and two pairs of adjacent equal-length sides.