Across
- 3. to put something in a group or identify
- 7. completely equal to another shape
- 8. two rays with an end point
- 9. when to faces meet on at 3D shape
Down
- 1. the measurement of the distance around the shape
- 2. a 8 sided polygon
- 4. a line segment the makes a boundary on a 2D shape
- 5. a flat surface on a shape
- 6. a polygon with 5 side
- 8. angle a angle that less than 90 degrees.