MATHEMATICS CROSSWORD PUZZLE

123456
Across
  1. 3. POLYGON THAT IS EQUIANGULAR AND EQUILATERAL.
  2. 4. 1/100TH OF A SECOND.
  3. 5. SPACE ENCLOSED WITHIN THE BOUNDARY OF A SHAPE.
  4. 6. NUMBER WHICH CANNOT BE REPRESENTED IN ROMAN NUMERALS.
Down
  1. 1. QUADRILATERAL WITH A PAIR OF PARALLEL SIDES.
  2. 2. FATHER OF MATHS.