Across
- 3. a two-dimensional representation of a three-dimensional shape
- 6. the sum of the area of all of the faces
- 8. lines that cross each other to form a 90° angle or right angle
- 9. the distance between the base and its opposite side or vertex when forming a right angle
- 11. breaking them apart to make more than one new shape
- 12. a quadrilateral that has two pairs of opposite sides that are parallel and equal length
Down
- 1. a straight side of a two-dimensional shape
- 2. to move the position of pieces of a figure to make a new shape
- 4. Each flat side of a polyhedron
- 5. the number of unit cubes needed to fill the shape
- 7. the space inside of a two-dimensional figure expressed in square units
- 8. a closed two-dimensional shape with straight sides that do not cross each other
- 10. a closed three-dimensional figure with flat sides