Across
1
Longest side of a right triangle
5
Line crossing from corner to corner
6
Number greater than zero
13
Rectangular array of numbers
14
Collection of distinct elements
Down
2
Result of raising a number to an exponent
3
Round shape with all points equidistant
4
Result of addition
7
Line touching circle at one point
8
Single numeral from 0 to 9
9
Part of a line with two endpoints
10
Power to which a number is raised
11
Repeated addition
12
Difference between highest and lowest values