Group the following figures into three classes on the basis of identical properties. |
1, 3, 8; 2, 6, 9; 4, 5, 7 2, 3, 4; 1, 5, 6; 7, 8, 9 1, 4, 8; 2, 6, 7; 3, 5, 9 1, 3, 9; 2, 4, 5; 6, 7, 8 |
1, 3, 8; 2, 6, 9; 4, 5, 7 |
Figures 1, 3, and 8 are divided into 2 sections Figures 2, 6, and 9 are not divided into any sections Figures 4, 5, and 7 are divided into 4 sections |