Hi All,

I understand there is a similarity going. BR is y/2 as Greg shows, BUT isnt there a rule that says sides opp equal angles are equal? PL correct me. I have used BR as y as it is opposite the same angle x, to which y is opposite!

Ty

Hi All,

I understand there is a similarity going. BR is y/2 as Greg shows, BUT isnt there a rule that says sides opp equal angles are equal? PL correct me. I have used BR as y as it is opposite the same angle x, to which y is opposite!

Ty

I think you’re confusing **equivalent** with **equal**

Yes within a triangle equal angles have equal length, but for other triangles they are similar or lengths are in the same ratio