Geometry Crossword

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Across
  1. 4. A straight path that goes on forever in both directions.
  2. 6. A closed shape made of straight lines.
  3. 7. A grid with x- and y-axes for plotting points.
  4. 8. Sliding a shape without turning or flipping it.
  5. 12. A shape with four right angles and opposite sides equal.
  6. 13. The amount of space a 3D object takes up.
  7. 14. A polygon with six sides.
  8. 17. A location in space with no size, just position.
  9. 18. A “flip” of a shape over a line, like in a mirror.
  10. 19. A unit for measuring angles.
Down
  1. 1. A round shape where all points are the same distance from the center.
  2. 2. Two lines that meet to form right angles.
  3. 3. A shape with four equal sides and four right angles.
  4. 5. A shape with three sides and three angles.
  5. 9. Formed by two rays sharing a common endpoint.
  6. 10. A pair of numbers (x, y) that shows a point’s location on a grid.
  7. 11. Two lines that never meet, always the same distance apart.
  8. 12. A turn of a shape around a point.
  9. 15. When a shape can be folded or flipped so both halves match.
  10. 16. The amount of space inside a flat shape.