Geometry Symbols

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Across
  1. 4. formed by two rays
  2. 5. arcminute, 1° = 60′
  3. 6. arc from point A to point B
  4. 9. ⊥
  5. 12. 1 turn = 360°
  6. 13. infinite line
  7. 14. degree
  8. 15. |x-y|
Down
  1. 1. Δ
  2. 2. same shapes, not same size
  3. 3. line segment
  4. 7. radians angle unit
  5. 8. ∥
  6. 10. line that start from point A
  7. 11. radians