geometry crossword

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Across
  1. 2. angles they share common vertex and side
  2. 6. angles which add up to 90°
  3. 10. triangle with 2 equal sides
  4. 13. its extremely close to the circle but it meet the circle only once
  5. 14. a line or an angle which is congruent to itself
Down
  1. 1. angles which are located in the inner sides of the parallel line and they are not adjacent
  2. 3. these lines only meet once and form a 90° and go their separate ways
  3. 4. lines which can walk together till infinity but ne never meet
  4. 5. its twice of radius
  5. 7. when Θ =adjacent/hypotenuse
  6. 8. when Θ= opposite/hypotenuse its__
  7. 9. angles which located across each other when 2 lines intersect
  8. 11. angles which have the relative position in parallel lines
  9. 12. angles which add up to 180°
  10. 15. when Θ= opposite/adjacent