Triangle ABC is translated onto its image, triangle A'B'C'. Use the given vertices of the triangles to answer parts A and B.A(-6, 0) B(-1, 0) C(-5, 3)A'(-2, 4) B'(3, 4) C'(-1, 7)Part A: Use the distance formula to prove that the translation was an isometric transformation. Include all of your work inyour final answer.Part B: Use complete sentences to describe the translation that maps triangle ABC onto its image.