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Across 2. not a guess 3. of a hundred 6. when you multiply something by itself 8. bits of a whole 12. Also known as Z 13. one in relation to the other 14. go forth and...... 16. half the diameter 17. Call u actor 18. between two or more 19. across the circle

Down 1. when you take something 3. 3.14 4. make a guess 5. everthing we know, not imaginary 7. Counting numbers with a zero 9. making a whole number 10. all around the circle 11. medical (anagram) 15. like human beings and the sum of two numbers