 Hello and welcome to the session. In this session we will discuss a question which says that, from the figure, find the congruent triangles and state which of the rigid motions are needed to match the corresponding vertices of the triangles in why the triangles are congruent. Now let us start with the solution of the given question. Now in the given figure, we have given two triangles that is triangle A, B and here we are given is equal to have to prove that the truth bothers line segment A, E is equal to line segment C, G and this is given and here as they are vertically opposite angles so they have said we write E is equal to angle C, E, D, D, E that is line segment B, E is equal to line segment side congruence the two triangles are congruent so we write by that is by SAS congruence A, B to match the vertices that is the corresponding vertices about vertex to the vertices of triangle E C needed. That is all for this session. Hope you all have enjoyed the session.