Across
- 3. a special type of quadrilateral that has both pairs of opposite sides parallel and equal
- 5. the perimeter of a circle or ellipse
- 8. formed when two straight lines or rays meet at a common endpoint
- 9. part of a line that had a fixed starting point but no endpoint
- 10. the total space taken up by a flat(2-D)surface or shape of an object
Down
- 1. the length of a straight line through the center of an object or shape
- 2. a polygon having four sides, four angles, and four vertices
- 4. a straight one-dimensional figure that does not have a thickness, and extends endlessly in both directions
- 6. the distance from the center of the circle to any point on its circumference
- 7. a point on a polygon where the sides or edges of the object meet or where two rays or line segments meet