Given triangles with sides T1 : 3, 4, 5; T2 : 5, 12, 13; T3 : 6, 8, 10; T4 : 4, 7, 9 and a relation R in set of triangles defined as R = {(Δ1, Δ2) : Δ1 is similar to Δ2}. Which triangles belong to the same equivalence class?

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Answer: T1 and T3 Explaination: T1 and T3 are similar as their sides are proportional.

Answer: T

See less_{1}and T_{3}Explaination: T

_{1}and T_{3}are similar as their sides are proportional.