Across
1
Corner point of a polygon
3
Number with digits after a point
4
Value that does not change
6
Part of a whole number
8
Result of raising a number to an exponent
10
Difference between highest and lowest values
Down
2
Longest side of a right triangle
3
Split into equal parts
5
Lines that never intersect
7
System of ordered marks for measuring
9
Three-sided polygon
11
Collection of distinct elements
12
Visual representation of data