maths

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Across
  1. 2. The tangents drawn at the endpoints of the diameter of a circle are __________
  2. 3. 6^n cannot end with the digit zero for ______ value of n
  3. 6. The diagonals of this quadrilateral are equal but not perpendicular. The quadrilateral is a.............
  4. 7. A line intersecting a circle in two distinct points is called________
Down
  1. 1. The sum or difference of two irrational numbers is always
  2. 2. All rectangles, squares and rhombus are ............,but a trapezium is not
  3. 4. The decimal expansion of 17/8 will terminate after ______ places of decimals
  4. 5. Which is smaller: the perimeter of a square or the perimeter of a circle inscribed in it?
  5. 6. A parallelogram circumscribing a circle is called ________
  6. 7. The angle between the two tangents drawn from an external point to a circle is _________ to the angle subtended by the line segment joining the points of contact at the centre.