Across
1
Longest side of a right triangle
5
Number with digits after a point
6
Reference line in a graph
7
Number greater than zero
8
Amount of space an object occupies
9
Number less than zero
10
U-shaped curve of a quadratic function
11
Part of a line with two endpoints
13
Round shape with all points equidistant
Down
2
Result of raising a number to an exponent
3
Parts per hundred
4
Total distance around a shape
5
Line crossing from corner to corner
12
Symbol representing unknown value