Question

What other name can you give to the line of symmetry of 

1.  an isosceles triangle? 
2.  a circle?

Answer 1

(a) An isosceles triangle has only 1 line of symmetry.

Therefore, this line of symmetry is the median and also the altitude of this isosceles triangle.

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(b) There are infinite lines of symmetry in a circle. Some of these are represented as follows.

It can be concluded that each line of symmetry is the diameter for this circle.