Question

Is this correct? congruent triangles

Answer 1

@agent0smith

Answer 2

so than you check these triangles QTR and STR what you see marked there ?

angle Q = angle S
side QT = side TS

and there is a common side too the side TR

so in this way your marked right answer not is correct

hope this helped you

Answer 3

but on the second and 3rd exercise you are right sure