Question

Isosceles triangles are similar, always, sometimes, never

Answer 1

If an angle of 1 isosceles triangle is congruent to an angle of another isosceles triangle the triangles are similar. sometimes If the corresponding sides of 2 similar triangles are in a ratio of 3:4 then the there perimeters are in a ratio of 3:4.

Explanation:

Answer 2

Sometimes

Explanation:

They can't be always similar because the similar ratios would also have a potential in being different. In short, they could vary.

Isosceles can also be similar so "never" is not the option.