Weekly Mathematician Semester 1

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Across
  1. 3. He developed a method for identifying prime numbers.
  2. 7. Worked with similar triangles and right triangles.
  3. 9. Worked with Non-Euclidean elliptic geometry.
  4. 10. Found a way to determine the area of a triangle from its side lengths.
  5. 14. Worked with fractals.
  6. 15. The first to use a number line and a symbol for infinity.
Down
  1. 1. Known for his special 3d shapes.
  2. 2. His diagrams are still used in probability today.
  3. 4. Known for her hypothesis about Hilbert's 10th Problem.
  4. 5. First name of the person who proved the Binomial Theorem.
  5. 6. Developed cartesian coordinates.
  6. 8. Developed a formula for the volume of a cone.
  7. 11. Developed basic rules for using zero and worked with negative numbers.
  8. 12. Invented a two-dimensional surface with only one side.
  9. 13. Developed infinitesimal calculus.