Across
1
Total distance around a shape
6
Collection of distinct elements
7
Split into equal parts
8
Lines that never intersect
10
U-shaped curve of a quadratic function
Down
2
Number with digits after a point
3
Number less than zero
4
Longest side of a right triangle
5
Number divisible only by 1 and itself
9
Part of a circle's circumference
11
Math using letters for unknown values
12
Visual representation of data