Across
1
Line segment connecting two circle points
5
Three-sided polygon
6
System of ordered marks for measuring
10
Round shape with all points equidistant
11
U-shaped curve of a quadratic function
13
The number representing nothing
Down
2
Comparison of two quantities
3
Middle value in an ordered dataset
4
Part of a circle's circumference
7
Result of multiplication
8
Closed shape with straight sides
9
Number with digits after a point
12
Parts per hundred
14
Part of a whole number