GC3 Rumbaugh

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Across
  1. 4. A straight line along which two faces of a solid meet
  2. 6. rays two rays with a common endpoint that form a straight line
  3. 8. A solid figure with one face a polygon (the base) and the other faces being triangles that all share the same vertex
  4. 9. angle An angle that has measure more than 90° and less than 180°.
  5. 11. A part of a line starting at a particular point and extending infinitely in one direction
  6. 15. An additional geometric figure that is constructed to assist in solving a problem or producing a proof
  7. 17. A closed plane figure for which all sides are line segments
  8. 18. Two angles that add up to 180°
  9. 19. polygon The outside of a circle or an ellipse
  10. 20. A solid with no curved surfaces or edges
  11. 23. The length of the boundary around a shape or a figure
  12. 25. pair A pair of adjacent angles formed by intersecting lines
  13. 28. A set of logical arguments used to deduce or prove a mathematical theorem from a set of axioms
  14. 31. A solid with parallel congruent bases which are both polygons
  15. 32. two straight lines, called the x-axis and the y-axis
  16. 34. term a term or word that doesn't require further explanation or description
  17. 36. An assertion that can be proved true using the rules of logic
  18. 37. A line segment that passes through the center of a circle
  19. 38. segment All points between two given points (including the given points themselves).
  20. 39. angle- An angle with a… and 90°
  21. 40. two lines that never intersect
  22. 43. polygon at least one of the interior angles of a polygon is greater than 180°
  23. 45. A flat surface extending in all directions
  24. 46. The geometric figure formed at the intersection of two distinct lines.
Down
  1. 1. non-coplanar lines that lie in different planes
  2. 2. A unit of measure used to measure the magnitude of an angle
  3. 3. A line segment between the center and a point on the edge
  4. 5. the sum of the measures of two angles is 90°
  5. 7. Two lines that intersect at right angles
  6. 8. A statement accepted as true without proof
  7. 10. A straight line or a…
  8. 12. Lying on the same…
  9. 13. A tubular solid with a circular base
  10. 14. solid formed by rotating a right triangle around one of its legs
  11. 15. The boundary line…
  12. 16. when one figure fits exactly on top of the other through simple translation and/or rotation
  13. 21. The longest side opposite the right angle in a right triangle
  14. 22. angle A 90° angle.
  15. 24. The point halfway between two given points
  16. 26. A perfect round solid in which all points on its surface are equidistant from a fixed point called the center
  17. 27. A corner point of a geometric figure
  18. 29. Points or lines that all lie in the same plane
  19. 30. angles angles opposite one another at the intersection of two lines
  20. 33. Having one thing on… thing on either side of it
  21. 35. A planar surface of a solid figure
  22. 41. angles angles in a plane which share a common vertex and a common side but do not overlap
  23. 42. set of points when two rays both start at the same point.
  24. 44. The surface included within… needed to cover the surface