Q6 of 124 Page 364

The order of rotational symmetry in the figure 12.16 given below is

The number of times a figure fits into itself in one full turn is called as order of rotational symmetry.

So for the given figure the order of rotational symmetry is two

So the correct answer is B.

The number of lines of symmetry in Fig. 12.14 is

The order of rotational symmetry in the Fig. 12.15 given below is

The name of the given solid in Fig 12.17 is:

The name of the solid in Fig. 12.18 is: