Across
1
System of ordered marks for measuring
2
U-shaped curve of a quadratic function
4
Line segment connecting two circle points
8
Round shape with all points equidistant
9
Part of a line with two endpoints
Down
2
Closed shape with straight sides
3
Result of multiplication
5
Reference line in a graph
6
Distance from center to edge of circle
7
Split into equal parts
10
Parts per hundred
11
Proven mathematical statement