Across
1
Part of a whole number
2
Exact correspondence on both sides
5
Number divisible only by 1 and itself
6
Visual representation of data
8
Steepness of a line
9
Closed shape with straight sides
10
Amount of space an object occupies
Down
2
Rectangle with four equal sides
3
Three-sided polygon
4
Result of raising a number to an exponent
7
Line segment connecting two circle points
11
Result of addition
12
Collection of distinct elements