Geometry 1

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Across
  1. 2. To divide into two equal parts.
  2. 6. Two angles that add up to 180 degrees.
  3. 10. Two touching angles that form a straight line.
  4. 13. The whole angle equals the sum of its two parts.
  5. 15. A flat surface that extends in all directions forever.
  6. 16. Part of a line with two endpoints.
Down
  1. 1. A line that cuts a segment in half at 90 degrees.
  2. 3. Two angles that add up to 90 degrees.
  3. 4. A straight path that goes forever in both directions.
  4. 5. The whole segment equals the sum of its two parts.
  5. 7. To draw accurately using a ruler and compass.
  6. 8. The exact middle point of a line segment.
  7. 9. Angles that share a side and a corner point.
  8. 11. Angles across from each other when two lines cross.
  9. 12. Exactly the same in size and shape.
  10. 14. A line that starts at one point and goes forever in one direction.
  11. 15. A location with no size, only position.