Across
1
Corner point of a polygon
5
Value that does not change
7
Line segment connecting two circle points
8
System of ordered marks for measuring
9
Result of raising a number to an exponent
11
Parts per hundred
Down
2
Part of a whole number
3
Difference between highest and lowest values
4
Split into equal parts
6
Repeated addition
10
Distance from center to edge of circle
12
Number with digits after a point
13
Longest side of a right triangle