Across
1
Line segment connecting two circle points
3
U-shaped curve of a quadratic function
4
Split into equal parts
5
Rectangular array of numbers
6
Power to which a number is raised
10
Rectangle with four equal sides
Down
2
Parts per hundred
3
Total distance around a shape
4
Line crossing from corner to corner
7
Line touching circle at one point
8
Part of a whole number
9
Part of a circle's circumference
11
Steepness of a line