Across
1
Number divisible only by 1 and itself
4
Parts per hundred
8
Rectangle with four equal sides
10
Longest side of a right triangle
11
Middle value in an ordered dataset
12
Line segment connecting two circle points
Down
2
Divisible by two
3
Part of a circle's circumference
5
Space between two intersecting lines
6
Repeated addition
7
Round shape with all points equidistant
8
Collection of distinct elements
9
Comparison of two quantities
13
Part of a line with two endpoints