Across
1
Mathematical rule or equation
4
Round shape with all points equidistant
8
Longest side of a right triangle
9
Space between two intersecting lines
Down
2
System of ordered marks for measuring
3
Number with digits after a point
5
Middle value in an ordered dataset
6
Mathematical statement of equality
7
Part of a circle's circumference
10
Lines that never intersect
11
Comparison of two quantities