Group the given figures into three classes using each figure only once.

Group the given figures into three classes using each figure only once.

A.

1,2,4 ; 3,5,6 ; 7,8,9

B.

1,7,8 ; 3,5,6 ; 2,4,9

C.

1,3,4 ; 2,8,9 ; 5,6,7

D.

1,7,8 ; 2,3,6 ; 4,5,9

Correct answer is B

1, 7, 8 are all undivided geometrical figures.

3, 5, 6 are geometrical figures divided into two parts.

2, 4, 9 are geometrical figures divided into four parts.