If triangle mno is congruent to triangle nmo what statement best describes the triangle mon

Iam so stuck. what is the worked out answer for this question?

Wanna brainliest? ! ms. mcmahon is building a shed as shown. what is the measure of the angle at the top of the shed? a) 126 b )116 c) 64 d) 32

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac