Across
1
Number divisible only by 1 and itself
3
Result of addition
4
Line touching circle at one point
5
Corner point of a polygon
6
Distance from center to edge of circle
7
Steepness of a line
11
Part of a circle's circumference
13
Proven mathematical statement
14
Part of a line with two endpoints
Down
1
Number greater than zero
2
Math using letters for unknown values
8
System of ordered marks for measuring
9
Longest side of a right triangle
10
Result of raising a number to an exponent
12
Exact correspondence on both sides