Across
- 1. Father of Mathematics
- 7. The number of zeroes are in One Billion
- 8. Person who Discovered Zero(0)
- 9. What is 2 in the equation 2x+3=9?
- 10. The smallest Perfect Number
- 11. Number of sides in a decagon
Down
- 2. Father of Trigonometry
- 3. Multiplicative inverse of a fraction
- 4. Longest side of a right-angled triangle
- 5. Largest chord of a circle
- 6. The only number that cannot be used as a divisor
- 9. Location where Abacus was invented