Across
1
Proven mathematical statement
6
Total distance around a shape
8
Amount of space an object occupies
10
Round shape with all points equidistant
Down
2
Number less than zero
3
The number representing nothing
4
Result of raising a number to an exponent
5
Number with digits after a point
6
Parts per hundred
7
Result of addition
9
Corner point of a polygon
11
Rectangular array of numbers