Geometry

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Across
  1. 3. Rainbow-shaped
  2. 8. The-exterior-of-a-shape
  3. 9. Intersects-90-degrees
  4. 10. Opposite-over-adjacent
Down
  1. 1. Corresponding-Parts-of-Congruent-Triangles-are-Congruent
  2. 2. Lines-don't-touch
  3. 4. The-same
  4. 5. Four-sided-shape
  5. 6. It-turns-the-shape
  6. 7. Hypotenuse-over-adjacent