Across
1
U-shaped curve of a quadratic function
4
Split into equal parts
7
Comparison of two quantities
8
Collection of distinct elements
9
Mathematical statement of equality
11
Line crossing from corner to corner
12
Space between two intersecting lines
Down
1
Parts per hundred
2
Part of a circle's circumference
3
Proven mathematical statement
5
Line touching circle at one point
6
Distance from center to edge of circle
10
Closed shape with straight sides
13
Amount of space an object occupies