Geometry Unit :)

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Across
  1. 3. angles two angles whose measure add up to 180 degrees
  2. 4. the number of cubic units needed to fill a given space
  3. 5. a parallelogram with four right angles
  4. 6. a straight path that extends without end in opposite directions
  5. 8. a transformation that enlarges or reduces a figure
  6. 10. angles two angles whose measure add up to 90 degrees
  7. 14. a line that intersects two or more lines
  8. 15. a figure formed by two rays with a common endpoint called the vertex
  9. 17. a transformation in which a figure is turned around a point
  10. 19. a region enclosed by two radii and the arc joining their endpoints
Down
  1. 1. a flat surface that extends forever
  2. 2. a four-sided polygon
  3. 4. on an angle or polygon, the point where two sides intersect
  4. 7. the line segment along which two faces of a polyhedron intersect
  5. 9. having the same size or shape
  6. 11. an exact location in space
  7. 12. a part of a line that starts at one endpoint and extends forever
  8. 13. segment a part of a line between two endpoints
  9. 16. a closed plane figure formed by three or more line segments that intersect only at their endpoints (vertices)
  10. 18. angles angles in the same plane that have a common vertex and a common side