# Maths

##### Across
1. 1. The ratio of a perfect circle.
3. 10. Opposite over Adjacent/A straight line that touches a curved surface at one point.
4. 11. A straight line between two points in a circle across the centre.
5. 13. An organised collection of numbers.
6. 14. The study of computation of limits, derivatives, and integrals of functions of real numbers and instantaneous rates of change.
7. 16. A shape with four equal sides and angles.
8. 21. The branch of Mathematics that deals with triangles, the relationships between their sides and angles and their functions.
9. 23. An unending value that goes on forever.
10. 24. The number which indicates that there is no value or magnitude.
##### Down
1. 2. The branch of Mathematics in which letters and other symbols are used to represent numbers and quantities in formulae and equations.
2. 3. The branch of Mathematics that deals with shapes, lines or surfaces and their properties and relations.
3. 4. An idea or concept that can be demonstrated using the rules of logic