Across
1
Value that does not change
3
Result of raising a number to an exponent
4
Round shape with all points equidistant
6
Closed shape with straight sides
7
Rectangle with four equal sides
10
System of ordered marks for measuring
Down
2
Longest side of a right triangle
5
Part of a circle's circumference
6
Result of multiplication
8
Number greater than zero
9
Symbol representing unknown value