Crossword puzzle

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Across
  1. 5. – Formula relating sides and angles in non-right triangles.
  2. 7. – Longest side of a right triangle.
  3. 11. – Ratio of sides of a right triangle.
  4. 14. Segment – Part of a secant inside the circle.
  5. 15. – Point where lines or edges meet.
  6. 16. – Part of a line with two endpoints.
  7. 19. – Measure of how far apart two points are.
  8. 20. – Shapes formed from two or more simple figures.
Down
  1. 1. – Triangle with one 90-degree angle.
  2. 2. – Triangle without a right angle.
  3. 3. – Exact position in space.
  4. 4. – Line that intersects a circle at two points.
  5. 6. Segment – Part of a secant outside the circle.
  6. 8. – Ordered pair showing a point’s location.
  7. 9. – States that a² + b² = c² in right triangles.
  8. 10. – Shape formed by two lines meeting at a point.
  9. 12. Region – Area inside a circle within the radius.
  10. 13. Region – Area outside a circle beyond the radius.
  11. 17. – Point exactly halfway between two endpoints.
  12. 18. – Line that touches a circle at one point.