Geometry Crossword Draft2

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Across
  1. 3. A triangle with 3 congruent sides and angles
  2. 7. 2 adjacent angles whose sum is 180 degrees
  3. 11. An 8-sided polygon
  4. 12. 2 lines that intersect at a right angle
  5. 14. Consecutive angles that share a vertex and side
  6. 17. The measure, in degrees, of the intersection of two rays at a point
  7. 19. An angle whose measure equals 90 degrees
  8. 20. D=√(x2−x1)2+(y2−y1)
  9. 22. 2 angles; their sum is 180; do not have to be consecutive
  10. 24. A 5-sided polygon
  11. 27. An angle whose measure is greater than 90 degrees and less than 180 degrees
  12. 28. Statement that the hypothesis and conclusion are negated
  13. 29. A 12-sided polygon
  14. 30. A 4-sided polygon
Down
  1. 1. An example of this is: “A polygon is a heptagon if and only if it has 7 sides of equal length and 7 angles of equal measure”
  2. 2. 2 lines that never intersect
  3. 4. A line, ray, or line segment that splits an angle into two congruent parts
  4. 5. A triangle with 3 sides and angles of different lengths and measures
  5. 6. a^2+b^2=c^2
  6. 8. A 9-sided polygon
  7. 9. A triangle with 2 congruent sides and 1 congruent pair of base angles
  8. 10. A trapezoid with 1 pair of congruent opposite sides
  9. 13. Referring to two shapes, same shape and proportional measurements
  10. 15. Statement in which the hypothesis and conclusion are switched
  11. 16. Angles whose measures are less than 90 degrees
  12. 18. A 6-sided polygon
  13. 21. (x1 + x2)/2, (y1 + y2)/2
  14. 23. Referring to two shapes, of the same shape and size
  15. 25. An example of this type of mathematical statement is “If two sides of a triangle are congruent, then the angles opposite those sides are congruent”
  16. 26. An angle whose measure equals 180 degrees