| 1 | a triangle with two equal sides (9) | |
| 6 | six-sided shape (7) | |
| 7 | half a sphere (10) | |
| 10 | a triangle with three equal sides (11) | |
| 11 | an opened-out shape (3) | |
| 12 | alternative name for a hexahedron (4) | |
| 13 | shaped like a ball (6) |
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1 regular solid with 20 equilateral
triangle faces (11) 2 the distance around the edge of a
circle (13) 3 a triangle with no equal sides (7) 4 regular solid with 12 pentagon faces (12) 5 quadrilateral with opposite sides
and angles equal (13) 8 correct name for a diamond shape (7) 9 a shape with 3 sides (8)
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