Crossword Puzzle

3. the side opposite the right angle in a right triangle.
6. a letter used to represent a number in an expression or an equation
7. a polygon whose inner angle sum equal to the outer angle sum.
10. the line joining two points on a circle and passing through the center of the circle.
11. factor of every number.

1. the set of numbers containing zero the natural numbers and all the negatives of the natural numbers.
2. a theorem that relates the three sides of a triangle.
4. an angle whose measure is greater than 90 degree.
5. a regular polygon with interior and exterior angles equal.
8. a straight line that connects two vertex to each other.
9. smallest whole number.