Across
1
Closed shape with straight sides
4
Mathematical statement of equality
5
Part of a whole number
6
Line crossing from corner to corner
7
Proven mathematical statement
13
Corner point of a polygon
Down
1
Result of multiplication
2
Space between two intersecting lines
3
Steepness of a line
8
Math using letters for unknown values
9
Difference between highest and lowest values
10
Result of raising a number to an exponent
11
Middle value in an ordered dataset
12
Round shape with all points equidistant