CONSTRUCTIONS AND TILINGS

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Across
  1. 4. Shapes covering a surface without gaps or overlaps.
  2. 5. The geometric property used to bisect angles by comparing two equal triangles.
  3. 6. A tool used with a ruler to construct bisectors and angles.
  4. 7. A triangle with all sides equal, used to construct a 60° angle.
Down
  1. 1. A point that is exactly in the middle of a line segment.
  2. 2. Dividing a line segment or angle into two equal parts.
  3. 3. A method used to make an exact copy of a given angle.