Geometry Terms

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Across
  1. 3. If two angles and the included side of a triangle are congruent to two angles and the included side of another triangle, then the triangles are congruent (postulate).
  2. 5. Statement that is a combination of the converse and the inverse.
  3. 6. Arc whose measure is greater than a semi-circle (180 degrees).
  4. 8. Line, ray segment, or plane that divides a segment or angle into two congruent segments or angles
  5. 11. Segment that connects two points on the circle.
  6. 13. If three sides of a triangle are congruent to three sides of another triangle, then the triangles are congruent (postulate).
  7. 15. Statement that switches the hypothesis and the conclusion.
  8. 16. Angle with measure greater than 90 degrees
  9. 17. Segment whose endpoints are the center of the circle and a point on the circle.
  10. 18. The set of points in a plane that are equidistant from a fixed point called the center.
  11. 20. Statement that negates the conditional (not).
  12. 26. Adding up to 180 degrees
  13. 27. a=a
  14. 31. The longest side of a right triangle.
  15. 32. A quadrilateral with all equal sides and all angles equaling 90 degrees
  16. 35. Being on the same plane
  17. 37. A part of a line that has two endpoints.
  18. 39. Adding up to 90 degrees
  19. 40. Quadrilateral with both pairs of opposite sides parallel
  20. 42. Being on the same line
  21. 43. Having the same measure
  22. 45. The sum of all the sides of a polygon
  23. 46. A triangle where all angles are congruent.
  24. 47. Chord that passes through the center of the circle.
Down
  1. 1. A four-sided polygon
  2. 2. Parallelogram with consecutive sides congruent
  3. 3. Angle with measure below 90 degrees
  4. 4. The point halfway between the endpoints of a segment
  5. 7. A method of proving a concept by several steps (this method can either be expressed in two-column or flow form).
  6. 9. If two sides and the included angle of a triangle are congruent to two sides and the included angle of another triangle, the the triangles are congruent (postulate).
  7. 10. If two angles and a NON-included side of a triangle are congruent to two angles and the corresponding non-included side of another triangle, then the triangles are congruent (theorem).
  8. 12. A triangle with two sides congruent.
  9. 14. A triangle with no sides congruent.
  10. 19. Slanted
  11. 21. A common endpoint
  12. 22. Congruent parts of congruent triangles are congruent
  13. 23. Congruent polygons lying in parallel planes
  14. 24. In a right triangle, the sum of the squares of the legs is equal to the square of the
  15. 25. Arc whose measure is less than a semicircle (180 degree)
  16. 26. Half of a circle
  17. 28. Coplanar lines that NEVER intersect
  18. 29. Two lines that intersect and form right angles
  19. 30. Formed by two noncolinear rays that have a common endpoint
  20. 33. A transformation in which the size of the figure is enlarged or reduced.
  21. 34. If the hypotenuse and leg of a right triangle are congruent to the hypotenuse and leg of another right triangle, then the triangles are congruent (theorem).
  22. 36. Shape with three or more sides
  23. 38. A flat surface that keeps spreading in all directions forever. Must be named by three points on the plane.
  24. 41. Consists of two points and the continuous part of a circle
  25. 44. Angle with measure equal to 90 degrees