Across
1
Split into equal parts
5
Number with digits after a point
6
Collection of distinct elements
10
Mathematical rule or equation
Down
2
Three-sided polygon
3
Middle value in an ordered dataset
4
Divisible by two
7
Number divisible only by 1 and itself
8
Longest side of a right triangle
9
Comparison of two quantities
11
Part of a circle's circumference