Across
1
Steepness of a line
2
Line segment connecting two circle points
3
Line crossing from corner to corner
4
Symbol representing unknown value
8
Parts per hundred
9
Total distance around a shape
10
Amount of space an object occupies
Down
2
Round shape with all points equidistant
3
Number with digits after a point
5
Sum divided by count
6
Divisible by two
7
Part of a whole number