Across
1
Single numeral from 0 to 9
3
Amount of space an object occupies
4
Power to which a number is raised
6
Line segment connecting two circle points
8
Round shape with all points equidistant
9
Number less than zero
Down
1
Line crossing from corner to corner
2
Split into equal parts
5
Result of raising a number to an exponent
7
System of ordered marks for measuring
10
Proven mathematical statement