Across
- 3. Polygon with four edges and four vertices
- 4. The common endpoint at which the two rays meet to form an angle
- 6. Plane figure with at least three straight sides and angles
- 8. A three-dimensional shape with identical ends, called bases, and flat sides called faces
- 9. The measurement of the length, width, and height of anything.
Down
- 1. Quadrilateral with two pairs of parallel sides
- 2. Three-sided polygon
- 5. Has one endpoint and the other point is like a line extending indefinitely
- 6. Exact position or location on a plane surface
- 7. An infinite set of points with two endpoints
- 8. Flat, two-dimensional surface that extends infinitely far.