Crossword

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Across
  1. 3. state the nature of √2
  2. 7. ax^2+bx+c=0 is the ___ form of a quadratic equation
  3. 9. πrl is used to find the ___ surface area of cone
  4. 11. sin^2 + cos^2 = ?
  5. 12. if no sides of triangles are equal then it is ___
  6. 14. an event which has a 0% chance of happening is called a ___ event
  7. 16. if tan x = 1 then the value of x is
  8. 18. x axis is also known as
  9. 19. a polynomial who's degree is 3 is known as ___ polynomial
  10. 20. the theory which states states that every positive integer (except the number 1) can be represented in exactly one way is the fundamental theory of ___
  11. 21. branch of mathematics that studies relationships between lengths and angles of triangles.
  12. 24. a number that can be represented as the quotient p/q of two integers such that q ≠ 0 is known as ___ number
  13. 25. an equation with degree 2 is called ___ equation
  14. 26. (0,0) is located at the ___ of the graph
  15. 27. if corresponding sides of 2 triangles are equal then it is ___
  16. 29. its total surface area is found using the formula 2πr(h+r)
  17. 30. 3, 4 and 5 are known as pythagorean ___
Down
  1. 1. who created the formula to find hypotenuse of triangle
  2. 2. πr^2h is used to find the ___ of a circle
  3. 4. its area is found using length*breadth
  4. 5. the angle between a horizontal and a point above the horizontal is known as the angle of ___
  5. 6. a cartestian plane is split into 4 parts known as
  6. 8. b^2-4ac is also known as ___ formula
  7. 10. if b^2-4ac=0 then its roots are ___
  8. 13. the angle between a horizontal and a point below the horizontal is known as the angle of ___
  9. 15. its area is found using length*breadth*height
  10. 17. it is a line which passes through only 1 point of a circle
  11. 19. another name for coordinate plane is ___ plane
  12. 22. (-3, -2) lies in ___ quadrant
  13. 23. y axis is also known as
  14. 28. sin/cos=?