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Across 5. Polynomial of Degree two 6. Study of Relationship between the sides and angles of a triangle 7. Greek letter used in Mathematical calculations 9. Sum of the values of observations divided by the total number of observations 10. One of the three greatest Mathematicians 11. Prince of Mathematicians 13. Polynomial of Degree three 14. Mathematician who got the title of 'SIR' 17. Curved shapes in a Quadratic polynomial graph 18. Average of all the observations 19. Series of well defined steps telling the procedure of solving a problem

Down 1. Greek letter used in Mathematical calculations 2. Equation involving Trigonometric ratios of an angle 3. The longest side of a Right triangle 4. Polynomial of Degree one 8. Value of observation having maximum frquency in a table 12. Product of the smallest power of each common prime factor in the numbers 15. Product of greatest power of each common prime factor involved in numbers 16. Greek letter used in Mathematical calculations