Geometry

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Across
  1. 5. square line
  2. 7. square Quadrilateral
  3. 10. rectangle circle
  4. 11. Circumference
  5. 13. angle
Down
  1. 1. IntersectingLineSegments
  2. 2. Perpendicular
  3. 3. Lines
  4. 4. acute chord
  5. 6. Collinearity
  6. 8. supplementary
  7. 9. Vertex ScaleneTriangle
  8. 12. diameter rhombus