Across
1
Steepness of a line
4
Number with digits after a point
5
Line crossing from corner to corner
6
Value that does not change
10
Distance from center to edge of circle
11
Part of a whole number
12
Line segment connecting two circle points
13
Rectangle with four equal sides
Down
2
Amount of space an object occupies
3
Round shape with all points equidistant
7
Parts per hundred
8
Closed shape with straight sides
9
Three-sided polygon