Mathematics

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Across
  1. 3. NUMBERS WITH NO COMMON FACTOR EXCEPT 1
  2. 4. TIME AFTER 12 IN THE AFTERNOON
  3. 5. ANGLE BETWEEN THE CLOCK'S HANDS AT 3'O CLOCK
  4. 6. NON PRIME NUMBERS
  5. 7. ANGLES NEXT TO EACH OTHER
  6. 8. ANGLES ADDING TO 180
  7. 9. SUM OF ALL SIDES OF A CLOSED FIGURE
  8. 12. USED IN DIVISION OF FRACTIONS
  9. 16. 1 DIMENSION
  10. 17. PLACE VALUE OF 5 IN 9.057
  11. 18. ONLY EVEN PRIME NUMBER
  12. 19. AN UNIT OF TIME
  13. 20. DIFFERENT DENOMINATORS
Down
  1. 1. ODER OF OPERATIONS
  2. 2. ANOTHER NAME FOR GCD
  3. 10. WHERE TWO RAYS OF ANGLE MEET
  4. 11. QUARTER OF AN HOUR
  5. 13. 366 DAYS
  6. 14. MIXED FRACTION HAS ___ AND A FRACTION
  7. 15. FRACTION WITH 1 AS NUMERATOR