Across
- 4. it has one curved surface and one base
- 6. it has 1 curved surface and no flat face
- 8. it has two pair of equal opposite sides
- 9. it has 4 sides
- 11. this shape is round
- 12. there are 3 lateral faces and 2 bases
Down
- 1. the shape of the base of a triangular pyramid
- 2. this shape has 4 equal sides and 4 right angles
- 3. it's an angle smaller than right angle
- 5. it's an angle bigger than right angle
- 7. it has 6 faces, and its lateral faces are triangle
- 10. it has 6 sides