Across
1
Math using letters for unknown values
5
System of ordered marks for measuring
6
Value that does not change
8
Split into equal parts
11
Longest side of a right triangle
14
Visual representation of data
Down
2
Steepness of a line
3
Amount of space an object occupies
4
Distance from center to edge of circle
7
Mathematical rule or equation
9
Part of a circle's circumference
10
Space between two intersecting lines
12
The number representing nothing
13
Total distance around a shape