Algebra 1 Vocab Test

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Across
  1. 2. A function in which the preimage is reflected in the line of reflection.
  2. 5. A convex polygon that is both equilateral and equiangular.
  3. 7. An angle that measures 180°.
  4. 8. A pair of adjacent angles with noncommon sides that are opposite rays.
  5. 10. A directed line segment that describes both the magnitude and direction of the slide if the magnitude is the length of the vector from its initial point to its terminal point.
  6. 11. A ray or segment that divides an angle into two congruent angles.
  7. 12. Two angles with measures that have a sum of 90°.
  8. 20. Intersecting at right angles.
  9. 21. A polyhedron with two parallel congruent bases connected by parallelogram faces.
  10. 22. The intersection of three edges of a polyhedron.
  11. 25. A line midway between a preimage and an image.
  12. 26. A two-dimensional figure that forms the surfaces of a three-dimensional object when folded.
  13. 27. The common endpoint of the two rays that form an angle.
  14. 28. The repeatability, or reproducibility, of a measurement.
  15. 29. Two angles with measures that have a sum of 180°.
  16. 31. The number of square units needed to cover a surface
  17. 37. The fixed point about which a figure rotates.
  18. 42. The sum of the areas of all faces and side surfaces of a three-dimensional figure.
  19. 45. The digits of a number that are used to express a measure to an appropriate degree of accuracy.
  20. 46. A function that takes points in the plane as inputs and gives other points as outputs.
  21. 48. A flat surface of a polyhedron.
  22. 49. Part of a line that starts at a point and extends to infinity.
  23. 50. A polyhedron in which all of its faces are regular congruent polygons and all of the edges are congruent.
  24. 51. Two nonadjacent angles formed by two intersecting lines.
  25. 52. The new figure in a transformation.
  26. 53. One of five regular polyhedra.
  27. 54. A function that moves every point of a preimage through a specified angle and direction about a fixed point.
  28. 55. A solid figure with two congruent and parallel circular bases connected by a curved surface.
  29. 57. The face of the solid opposite the vertex of the solid.
  30. 58. A set of all points in space equidistant from a given point called the center of the sphere.
Down
  1. 1. A closed three-dimensional figure made up of flat polygonal regions.
  2. 3. A polygon with all angles congruent.
  3. 4. A closed plane figure with at least three straight sides.
  4. 6. The nearness of a measurement to the true value of the measure.
  5. 9. The original figure in a transformation.
  6. 13. The positive difference between an actual measurement and an approximate or estimated measurement.
  7. 14. Two angles that have the same measure.
  8. 15. The measure of the amount of space enclosed by a three-dimensional figure.
  9. 16. A vector written as <x, y>, which describes the vector in terms of its horizontal component x and vertical component y.
  10. 17. Two collinear rays in opposite directions with a common endpoint.
  11. 18. The rays that form an angle.
  12. 19. The two parallel congruent faces of the solid.
  13. 23. The sum of the lengths of the sides of a polygon.
  14. 24. A line segment where the faces of the polyhedron intersect.
  15. 30. A polyhedron with a polygonal base and three or more triangular faces that meet at a common vertex.
  16. 32. The two-dimensional views of the top, left, front, and right sides of an object.
  17. 33. The angle through which a figure rotates.
  18. 34. The area between the two rays of an angle.
  19. 35. A function in which all of the points of a figure move the same distance in the same direction.
  20. 36. the outer border of a circle; the measurement of that border
  21. 38. The intersection of two noncollinear rays at a common endpoint.
  22. 39. The area outside of the two rays of an angle.
  23. 40. A polygon with all sides congruent.
  24. 41. A transformation that preserves distance and angle measure.
  25. 43. Two angles that lie in the same plane and have a common vertex and a common side but have no common interior points.
  26. 44. bisector A ray or segment that divides an angle into two congruent angles.
  27. 47. A geometric figure that represents a real-life object.
  28. 56. A solid figure with a circular base connected by a curved surface to a single vertex.