Across
1
U-shaped curve of a quadratic function
4
Rectangular array of numbers
5
Result of multiplication
6
System of ordered marks for measuring
7
Mathematical statement of equality
8
Part of a circle's circumference
9
Closed shape with straight sides
Down
1
Parts per hundred
2
Line segment connecting two circle points
3
Three-sided polygon
10
Distance from center to edge of circle
11
Line crossing from corner to corner
12
Result of addition
13
Comparison of two quantities