Math CentralQuandaries & Queries


Question from raji:

how many lines of symmetry does a circle have?

Hi Raji,

Every line through the centre of the circle is a line of symmetry. Hence there are infinitely many lines of symmetry. By this I just mean that you can't count the lines of symmetry by any finite number.


About Math Central


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences.
Quandaries & Queries page Home page University of Regina PIMS