MY CROSSWORD

3. a symmetrical three-dimensional shape, either solid or hollow, contained by six equal squares.
6. the continuous line forming the boundary of a closed geometrical figure.
8. the action of transposing something.
11. the extent or measurement of a surface or piece of land.
12. a quantity representing the power to which a given number or expression is to be raised, usually expressed as a raised symbol beside the number or expression.

1. a rule in algebra or other branches of mathematics expressed by symbols or formula.
2. a number which is not a fraction; a whole number.
4. the number above the line in a vulgar fraction showing how many of the parts indicated by the denominator are taken.
5. lying in the same straight line.
7. joining two opposite corners of a square, rectangle, or other straight-sided shape.
9. cutting a system of lines.
10. intend to convey or refer to (a particular thing); signify.