Q85 of 124 Page 364

State whether the statements are True or False.

The order of rotational symmetry of a figure is 4 and the angle of rotation is 180° only.

The given statement is false. If the order of rotational symmetry of a figure is 4 then the angle of rotation should be 90°.


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83

State whether the statements are True or False.

A prism has four bases.

 84

State whether the statements are True or False.

The number of lines of symmetry of a regular polygon is equal to the vertices of the polygon.

 86

State whether the statements are True or False.

After rotating a figure by 120° about its centre, the figure coincides with its original position. This will happen again if the figure is rotated at an angle of 240°.

 87

State whether the statements are True or False.

Mirror reflection leads to symmetry always.