Respuesta :

Answer: 1 : 3

Step-by-Step Explanation:

No. Of Lines of Symmetry for an Equilateral Triangle is 3.

No. Of Lines of Symmetry for an Isosceles Triangle is 1.

Therefore,
= 1/3
=> 1 : 3

The Ratio of the Number of Lines of Symmetry for an Isosceles Triangle to that of an Equilateral Triangle is 1 : 3