Math crossword

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Across
  1. 2. Congruence postulate using two sides and the included angle.
  2. 4. Congruence postulate using two angles and the included side.
  3. 7. Study of shapes, sizes, and positions.
  4. 8. Congruence postulate using two angles and a nonincluded side.
  5. 9. Exactly the same size and shape.
  6. 10. A straight one-dimensional figure.
Down
  1. 1. Congruence postulate using three sides.
  2. 3. The space between two intersecting lines.
  3. 5. One of the straight lines forming a polygon.
  4. 6. a shape with three sides and three angels