99pts will give brainliest use the diagram and given information to answer the questions and prove the statement. given: x z 
 prove: [see image] re-draw the diagram of the overlapping triangles so that the two triangles are separated. what additional information would be necessary to prove that the two triangles, xby and zay, are congruent? what congruency theorem would be applied? prove using a list/flow chart proof.