Question

part 2 of this ques​

Answer 1

Your answer is correct for 7. (ii)

The criteria for two triangles to be similar is that all three angles of triangles should be equal.

Although it is not necessary that both triangle should be equilateral triangles. For example take two triangles ABC and DEF. The angles of triangle be like 45 , 65 ,70 then if angles of triangle DEF is also 70 ,45 ,65 then

triangle ABC is similar to traingle.

Note : sides of triangle can be different or same.