Chapter 7 Vocabulary Test

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Across
  1. 1. A scale written as a ratio without units in simplest form
  2. 6. Opposite angles formed by the intersection of two lines that are congruent
  3. 8. A triangle having three congruent sides
  4. 9. A polyhedron with one base
  5. 11. A line segment that connects to nonconsecutive vertices
  6. 13. A flat surface of a polyhedron
  7. 16. Angles that have the same vertex, share a common side, and do not overlap
  8. 19. An angle that measures exactly 90 degrees
  9. 20. A triangle having one obtuse angle
  10. 22. One of the two parallel congruent faces of a prism
  11. 24. Lines or points that lie in the same plane
  12. 26. A figure with three sides and three angles
  13. 27. A three-dimensional figure with one circular base connected by a curved surface to a single vertex
  14. 29. An angle that measures exactly 180 degrees
  15. 30. A polyhedron with two parallel congruent faces called bases
  16. 31. The cross section of a solid and a plane
  17. 33. An angle with a measure greater than 0 degrees and less than 90 degrees
  18. 34. Two angles where the sum of their measures is 90 degrees
Down
  1. 1. Two angles that add up to 180
  2. 2. A model used to represent objects that are too large or too small to be built at actual size
  3. 3. Aa two-dimensional flat surface that extends in all directions
  4. 4. A drawing that is used to represent objects that are too large or too small to be drawn at actual size
  5. 5. A triangle having no congruent sides
  6. 7. A three-dimensional figure with two parallel congruent circular bases connected by a curved surface
  7. 10. A triangle having at least two congruent sides
  8. 12. Any angle that measures greater than 90 degrees but less than 180
  9. 14. A triangle having one right angle
  10. 15. The line segment where two faces of a polyhedron intersect
  11. 17. Lines that do not intersect and are not coplanar
  12. 18. Sides with the same lengths
  13. 21. The common endpoint of the rays forming the angle
  14. 23. A triangle having 3 acute angles
  15. 25. A three-dimensional figure with faces that are polygons
  16. 28. Having the same measure
  17. 32. The scale that gives the ratio that compares the measurements of a drawing or model to the measurements of the real object