Across
1
Difference between highest and lowest values
3
Number greater than zero
4
Distance from center to edge of circle
5
Line segment connecting two circle points
6
Number divisible only by 1 and itself
8
Three-sided polygon
11
Middle value in an ordered dataset
13
Corner point of a polygon
Down
2
System of ordered marks for measuring
3
Parts per hundred
7
Part of a circle's circumference
9
Split into equal parts
10
Comparison of two quantities
12
Result of raising a number to an exponent