Mathematics- Geometry

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Across
  1. 3. is a two-dimensional geometric figure that has a finite number of sides.
  2. 5. – An angle equal to 180 degrees.
  3. 7. – A polygon with fourteen sides and fourteen angles.
  4. 8. angles - two angles whose sum of the measures is 180°
  5. 11. - a closed plane figure consisting of four line segments or sides
  6. 12. - a quadrilateral with two pairs of congruent and adjacent sides
  7. 15. – A polygon with seven sides and seven angles.
  8. 16. angle - an angle with a measure of 90°
  9. 18. A polygon with at least one interior angle greater than 180 degrees.
  10. 23. – A polygon with ten sides and ten angles.
  11. 24. – A part of a line that starts at one point and extends infinitely in one direction.
  12. 26. Segment – A portion of a line between two points.
  13. 27. – A straight path extending infinitely in both directions.
  14. 29. - a statement that needs to be proven before being accepted
  15. 31. – A polygon with sixteen sides and sixteen angles.
  16. 34. – A polygon with fifteen sides and fifteen angles.
  17. 35. – A part of a line between two endpoints.
  18. 36. of a trapezoid - the segment joining the midpoints of the legs
  19. 38. – A polygon with nine sides and nine angles.
  20. 41. – A polygon with three sides
  21. 43. A polygon where all interior angles are less than 180 degrees.
  22. 44. - a quadrilateral with exactly one pair of opposite sides parallel
  23. 45. – A triangle with no equal sides.
Down
  1. 1. – A triangle with all sides equal.
  2. 2. - a parallelogram with all four sides congruent
  3. 4. – A polygon with four sides and four angles.
  4. 6. – A polygon with eleven sides and eleven angles.
  5. 9. - a rectangle with all four sides congruent
  6. 10. – A polygon with five sides and five angles.
  7. 13. – A polygon with twelve sides and twelve angles.
  8. 14. - a line segment joining two nonconsecutive vertices of a polygon
  9. 17. - a parallelogram with four right angles
  10. 19. – A polygon with eight sides and eight angles.
  11. 20. angles - two angles sharing a common side and vertex but no interior points in common base angles - angles formed by a base and the legs complementary angles - two angles whose sum of the measures is 90°
  12. 21. - a quadrilateral with two pairs of opposite sides that are parallel
  13. 22. – An angle greater than 180 degrees but less than 360 degrees.
  14. 25. angles - two nonadjacent angles formed by two intersecting lines
  15. 28. – A polygon with thirteen sides and thirteen angles.
  16. 30. – A polygon with six sides and six angles.
  17. 32. – An angle less than 90 degrees.
  18. 33. – A location in space with no dimensions.
  19. 37. – A flat surface extending infinitely in all directions.
  20. 39. – An angle greater than 90 degrees but less than 180 degrees.
  21. 40. – A polygon with seventeen sides and seventeen angles.
  22. 42. trapezoid - a trapezoid with congruent legs