Q59 of 60 Page 136

A regular octagon has 10 lines of symmetry.

False

Any regular polygon has as many lines of symmetry as the number of sides. A regular octagon has 8 sides and hence has 8 lines of symmetry.


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56

A circle has only 16 lines of symmetry.

 57

A 45° - 45° - 90° set-square and a protractor have the same number of lines of symmetry.

 58

It is possible to draw two bisectors of a given angle.

 60

Infinitely many perpendiculars can be drawn to a given ray.