Across
1
Part of a line with two endpoints
5
Corner point of a polygon
6
Line segment connecting two circle points
7
Amount of space an object occupies
8
Part of a whole number
12
Mathematical statement of equality
Down
2
Three-sided polygon
3
Math using letters for unknown values
4
Longest side of a right triangle
9
Line crossing from corner to corner
10
Result of multiplication
11
Result of raising a number to an exponent