Casey's Polygon Riddles

5. I'm a quadrilateral with two pairs of parallel sides.
8. You find me when you calculate the product of the length and the width of a rectangle.
10. I'm a shape that has straight sides that are closed and don't cross.
11. I'm a quadrilateral with four right angles.
15. I'm a polygon with three sides.
17. I am not a polygon, and all of my points are the same distance from my center.
18. You find me when you double the sum of the length and the width of a rectangle.
19. I am an angle that is greater than 90 degrees but less than 180 degrees.
20. I am an eight-sided polygon.

1. I am a nine-sided polygon.
2. I am what we call an angle that is exactly 180 degrees.
3. I am the word used to describe two lines that even if extended will never intersect.
4. I'm a rhombus and a rectangle.
6. I am the word used to describe polygons that have all equal sides and all equal angles.
7. I am a polygon, a quadrilateral, a parallelogram, a rectangle, and a rhombus.
9. I am a ten-sided polygon.
12. I am a girl who is an awesome math student!
13. I am an angle that is less than 90 degrees (smaller than a right angle).
14. I'm a quadrilateral with one pair of parallel sides.
16. I'm a quadrilateral with four equal sides.