Criss-Cross College

7. What is called a 17 sided polygon ?
11. _______ are rectangular grids of elements that are arranged in rows and columns with square brackets and enclosed in them.
12. The term ____ is derived from the Latin word ‘abax’ meaning a slab, which is a surface covered in sand and used as a drawing board.
13. The____are the numbers marked to locate a place in a map that directs to the location in a clear way.
14. Early man used to carve______ on the walls to count.
15. Golden ratio is denoted by the Greek letter______.

1. i = ____ of -1.
2. the abscissa (value of x) always precedes the ordinate(value of y)to create the ___ (x,y).
3. Brahmagupta used fortunes as ______ numbers.
4. Brahmagupta used debts as ___ numbers.
5. A value without value.
6. Pi is ratio of circle’s ____ to its diameter.
8. The three classes of numbers enumerable,innumerable and____.
9. ____theorem discusses the probability of an event based on prior knowledge of conditions that may be related to the event.
10. Aryabhatta wrote the book____.