Across
1
Result of raising a number to an exponent
3
Sum divided by count
4
Value that does not change
6
Number less than zero
7
Longest side of a right triangle
8
System of ordered marks for measuring
9
Mathematical rule or equation
Down
2
Steepness of a line
3
Part of a circle's circumference
5
U-shaped curve of a quadratic function
10
Part of a line with two endpoints
11
Corner point of a polygon
12
Round shape with all points equidistant