Correct Answer: 1, 6, 9; 2, 4, 7; 3, 5, 8
Explanation:
From above given figures , we have
Figures (1), (6) and (9): Half shaded design
Figures (2), (4) and (7): Design with lines and a black dot
Figures (3), (5) and (8): Design with four shaded sectors
Discussion & Comments