Across
1
Collection of distinct elements
3
Split into equal parts
4
Steepness of a line
5
Line touching circle at one point
9
Single numeral from 0 to 9
10
Line segment connecting two circle points
11
Amount of space an object occupies
Down
2
Number less than zero
4
System of ordered marks for measuring
6
Result of multiplication
7
Number divisible only by 1 and itself
8
Number with digits after a point
12
Number greater than zero