Let T be the set of all triangles in a plane with R a relation in T given by `R={(T_1,T_2): T_1( i s c o n g r u e n t t o T)_2}`. Show that R is an equivalence relation.

Let T be the set of all triangles in a plane with R a relation in T given by R={(T_1,T_2): T_1" is congruent to "T_2} . Show that R is an equivalence relation.

Let T be the set of all triangles in a plane with R a relation in T given by : R = {(T_1, T_2) : T_1 is congruent to T_2}. Show that R is an equivalence relation.

Let T be the set of all triangles in a plane with R a relation in T given by R ={(T _(1) , T _(2)): T _(1) is congruent to T _(2) } Show that R is an equivalence relation.

Let T be the set of all triangles in a plane with R a relation in T given by R ={(T _(1) , T _(2)): T _(1) is congruent to T _(2) } Show that R is an equivalence relation.

Let T be the set of all triangles in a plane with R a relation in T given by R ={(T _(1) , T _(2)): T _(1) is congruent to T _(2) } Show that R is an equivalence relation.

Let T be the set of all triangles in a plane with R a relation in T given by R ={(T _(1) , T _(2)): T _(1) is congruent to T _(2) } Show that R is an equivalence relation.

Let T be the set of all triangles in a plane with R a relation in T given by R ={(T _(1) , T _(2)): T _(1) is congruent to T _(2) } Show that R is an equivalence relation.

Let "T" be the set of all triangles in a plane with "R" as relation in "T" given by "R"={("T"_1," T"_2): T_1~="T"_2} . Show that "R" is an equivalence relation.

Let T be the set of all triangles in a plane with R is a relation in T given by R= {(T_(1),T_(2)): T_(2) is congruent to T_(2) and T_(1), T_(2) in T) . Show that R is an equivalence relation.

Let T be the set of all triangles in a plane with R as relation in T given by R={(T_(1),T_(2)):T_(1)~=T_(2)}. Show that R is an equivalence relation.