Across
1
Exact correspondence on both sides
2
Result of multiplication
5
Amount of space an object occupies
6
Part of a circle's circumference
7
Space between two intersecting lines
10
Proven mathematical statement
Down
1
System of ordered marks for measuring
2
Lines that never intersect
3
Symbol representing unknown value
4
Number with digits after a point
8
Rectangular array of numbers
9
Part of a whole number