Work Step by Step
Considering the congruent pairs marked, the additional pair of parts that must be congruent for us to use is the SSS method. Side MO is common for both of the triangles.
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.