Across
- 2. The side in a right-angled triangle that is opposite the right angle
- 6. A straight line connecting the centre of a geometric figure, esp a circle or sphere, with two points on the perimeter or surface
- 8. A quadrilateral having two parallel sides of unequal length
- 9. Any of the ten Arabic numerals from 0 to 9
- 13. A polygon having six sides
- 14. The extent to which one such line or plane diverges from another, measured in degrees or radians
- 15. A straight line joining one vertex of a triangle to the midpoint of the opposite side
- 16. The process of finding the number of times one number is contained within another
- 17. A symbol representing an unspecified number that remains invariable throughout a particular series of operations
Down
- 1. A plane geometric figure having four equal sides and four right angles
- 3. The process of removing one number from another
- 4. An amount of something, often expressed as a number out of 100
- 5. A transcendental number, fundamental to mathematics, that is the ratio of the circumference of a circle to its diameter. Approximate value: 3.141592…; symbol: π
- 7. A number or quantity that when multiplied by itself gives a given number or quantity
- 10. The process of adding a number to itselt a particular number of times
- 11. The result obtained by adding the numbers or quantities in a set and dividing the total by the number of members in the set
- 12. A straight line joining the centre of a circle or sphere to any point on the circumference or surface
- 14. The process of adding numbers or amounts together