MATHS CROSSWORD

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Across
  1. 5. The shortest distance from a point to a line
  2. 11. A vector that only scales under a linear transform
  3. 14. Decimal that never terminates or repeats
  4. 17. A triangle with one angle more than 90°
  5. 18. Half of a circle
  6. 19. A polygon with 100 sides
  7. 20. Indian who introduced zero
  8. 21. The slope of a curve at a point
Down
  1. 1. A polygon with three sides
  2. 2. Side opposite right angle
  3. 3. Multiplying a number by itself
  4. 4. Line that touches a curve at exactly one point
  5. 6. Known as the Father of Geometry
  6. 7. A chord passing through the center
  7. 8. Curve defined by second-degree polynomial
  8. 9. Prince of Mathematics
  9. 10. The most frequent data value
  10. 12. Inverse of squaring
  11. 13. Integer divisible by 1 and itself only
  12. 15. Unknown quantity in algebra
  13. 16. Additive identity