Geometry Cross Word Puzzle

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Across
  1. 2. polygon – polygon which is equilateral and equiangular.
  2. 3. – has no size; length, width, or height. It is represented by a dot and named by a capital letter.
  3. 6. triangle – triangle with at least two sides congruent.
  4. 11. – part of a line that consists of two points called endpoints and all points between them.
  5. 13. points – points that lie on the same plane.
  6. 14. triangle – triangle with a right angle.
  7. 15. points – points that lie on the same line.
  8. 16. is the part of a line that contains an endpoint and all points extending in the other direction.
  9. 17. angles – two angles whose sum is 90 degrees.
  10. 18. triangle – triangle with all angles congruent.
  11. 19. angle – angle whose measure is 90 degrees.
  12. 20. of a segment – a point that divides the segment into two congruent segments.
  13. 23. – quadrilateral with both pairs of opposite sides parallel.
  14. 25. - branch of mathematics that deals with points, lines, planes and solids and examines their properties.
  15. 29. – set of points that has infinite length and width but no height. We name a plane with a capital letter.
  16. 30. triangle- triangle that has all acute angles.
  17. 31. angle – angle whose measure is 180 degrees.
  18. 32. of a triangle – segment from the vertex of a triangle to the midpoint of the opposite side.
  19. 34. angles – two coplanar angles with a common vertex and a common side between them
  20. 36. – set of points which has infinite length but no width or height. A line is named by a lower case letter or by any two points on the line.
  21. 37. – union of 3 or more coplanar segments that meet only at endpoints such that at most two segments meet at one endpoint and each segment meets exactly two other segments.
Down
  1. 1. – the figure formed by three segments joining three noncollinear points. Each of the three points is a vertex of the triangle and the segments are the sides.
  2. 4. bisector – ray that divides an angle into two congruent adjacent angles.
  3. 5. of a segment – line, ray segment, or plane that divides a segment into two congruent segments.
  4. 7. angles – angles that have the same measure.
  5. 8. angles – two angles whose sum is 180 degrees.
  6. 9. lines – two lines that intersect to form right angles.
  7. 10. points – points that do not lie on the same plane.
  8. 12. points – points that do not lie on the same line.
  9. 21. lines – two lines are parallel if they are coplanar and do not intersect.
  10. 22. triangles – two triangles are congruent if corresponding sides are congruent and corresponding angles are congruent.
  11. 24. triangle – triangle with all sides congruent.
  12. 26. triangle – triangle with an obtuse angle.
  13. 27. lines – are noncoplanar lines they will not intersect.
  14. 28. – set of all points.
  15. 30. of a triangle – segment from the vertex of a triangle perpendicular to the line containing the opposite side.
  16. 31. triangle – triangle with no sides congruent.
  17. 33. angles – the non-adjacent angles formed by two intersecting lines.
  18. 35. angle – angle whose measure is between 0 degrees and 90 degrees.