Maths crossword

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Across
  1. 3. in an angle the point where two rays meet is called _____
  2. 4. 1 crore = ___ million
  3. 5. a quadrilateral has ___ angles
  4. 6. a closed figure made up of only line segments
  5. 8. a part of a circle is called ____
  6. 9. the distance between two ___ lines is always same
Down
  1. 1. the counting numbers are also called ___ numbers
  2. 2. ___ is the smallest whole number
  3. 4. a three sided polygon is called ____
  4. 7. radius is ___ the diameter