Geometry Crossword

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Across
  1. 3. A sequence of steps that can help you remember how to solve something
  2. 4. When all of the angles are different in a triangle
  3. 7. Two lines that create a 90 degree angle when they intercept
  4. 9. (x,y) are _
  5. 11. Two lines that never intersect are _
  6. 12. A transformation which can be done through turning the shape around a point
  7. 13. A rigid transformation which is done across a line
  8. 14. The things that add up to 180 inside a triangle
  9. 15. The lines on a graph that have x and y on them
Down
  1. 1. The space in a 3D object
  2. 2. The space in a 2D object
  3. 5. When two shapes are equal to each other in size and angles they are _
  4. 6. A rigid transformation done on a vector
  5. 8. When the three angles are equal in a triangle
  6. 10. When two of the angles are the same and one is different in a triangle