Class 9

1234567891011
Across
  1. 2. Two circles having the same centre but different radii.
  2. 7. Logarithm of 1 to any base.
  3. 8. The reverse of multiplication.
  4. 10. An irrational number but not a radical.
  5. 11. The irrational root of an integer.
Down
  1. 1. Triangles coinciding exactly when superimposed are said to be.
  2. 3. The value of cot 0 is
  3. 4. The point of intersection of the medians.
  4. 5. Principal+Interest
  5. 6. The x-coordinate is also known as
  6. 9. A rectangular solid in which face is a square.