Across
1
Number with digits after a point
3
Number greater than zero
5
Longest side of a right triangle
6
Line touching circle at one point
7
Mathematical rule or equation
Down
2
Part of a line with two endpoints
3
Closed shape with straight sides
4
Mathematical statement of equality
8
Rectangle with four equal sides
9
Line crossing from corner to corner
10
Total distance around a shape
11
Split into equal parts