Across
1
Comparison of two quantities
4
Distance from center to edge of circle
6
System of ordered marks for measuring
7
Number with digits after a point
8
Reference line in a graph
9
Total distance around a shape
10
Longest side of a right triangle
Down
2
Steepness of a line
3
Line crossing from corner to corner
5
Exact correspondence on both sides
11
Closed shape with straight sides