Across
- 1. - a circular statistical graphic material which is divided into slices to illustrate numerical proportion.
- 3. - introduced the axiomatical method still used in mathematics today
- 5. - Inventor of the numerical used to represent empty set
- 7. - any polyhedron bound by (4^2- 3^2 divide by 5 ) sides
- 8. - 12 inches
Down
- 2. - letters representing numbers
- 4. - a tool used to study the science of numbers ,space and quantity .
- 6. - The number when divided by 2 Gives its reciprocal , square of the number is ?