Across
1
Corner point of a polygon
4
Distance from center to edge of circle
7
Value that does not change
8
Rectangular array of numbers
9
Steepness of a line
11
Longest side of a right triangle
Down
2
Result of raising a number to an exponent
3
Number divisible only by 1 and itself
5
Part of a line with two endpoints
6
Split into equal parts
10
U-shaped curve of a quadratic function