Subject :IMO Class : Class 6

What is the least number of squares that must be added so that the line MN becomes a line of symmetry?

A5

B6

C4

D8

Sit can also be 4

Subject :IMO Class : Class 6

What is the least number of squares that must be added so that the line MN becomes a line of symmetry?

A5

B6

C4

D8

Sit can also be 4