Adin's Crossword Puzzle

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Across
  1. 4. The angles opposite each other when two lines cross.
  2. 6. Mathematics that involves shapes and figures.
  3. 8. Two angles that have a common vertex but do not overlap.
  4. 10. A figure with three vertices.
  5. 11. Lines that never intersect.
  6. 12. A transformation that moves every point of a figure by the same direction and distance.
  7. 14. A line that intersects parallel lines to form several angle relationships.
  8. 15. Two angles that measure up to 180 degrees.
Down
  1. 1. Proportional stretch or shrink of an image on a coordinate plane.
  2. 2. Two angles that measure up to 90 degrees.
  3. 3. To have the same shape, size, or measurement
  4. 5. The motion of a rigid body around a fixed point.
  5. 7. A mirror image of a shape.
  6. 9. A line that divides something into two equal parts.
  7. 13. Balanced proportions