Geometry Vocabulary

2. A type of polygon where all line segments that could be drawn inside the polygon are fully contained in that polygon.
5. A polygon where all edges are the same measure.
8. A shape where all interior angles sum to 540 degrees.
11. A shape where all interior angles sum to 360 degrees.
14. Two lines that do not cross.
15. A type of measure between two rays with a common endpoint.
16. A quadrilateral where all angles are right angles.
17. A plane figure that can be drawn without lifting a pencil and where the start and end points are the same.
18. Two times the radius of a circle.
19. The distance from the center to the edge of a circle.
21. A plane figure that can be drawn without lifting a pencil and the only common point (if any) will be at the start and end.

1. Middle of a circle.
3. The distance around a circle.
4. Euclid describes it as having "length and breadth only"
6. ______ lines cross at a single point.
7. A shape that represents a set of all points lying on a plane that are located a fixed distance.
9. A simple, closed plane figure consisting of only edges.
10. Quadrilateral which has two pairs of parallel sides.
12. A quadrilateral where at least one pair of sides is parallel.
13. A shape where all interior angles sum to 180 degrees.
16. A quadrilateral where all sides are equal in length.
20. A quadrilateral where all sides are equal and all angles are right angles.
22. Euclid describes it as having "that which has not part"