Across
1
Longest side of a right triangle
5
Divisible by two
6
Number divisible only by 1 and itself
8
The number representing nothing
11
Number greater than zero
12
Split into equal parts
Down
2
Number with digits after a point
3
Space between two intersecting lines
4
Amount of space an object occupies
6
Result of raising a number to an exponent
7
Part of a line with two endpoints
9
Line segment connecting two circle points
10
System of ordered marks for measuring