Across
1
Amount of space an object occupies
2
Line segment connecting two circle points
3
Number greater than zero
4
Longest side of a right triangle
5
Distance from center to edge of circle
6
Number with digits after a point
7
Three-sided polygon
8
System of ordered marks for measuring
Down
1
Symbol representing unknown value
2
Round shape with all points equidistant
3
Parts per hundred
9
Mathematical statement of equality