Asked by D4VD

The diagram below shows triangle MNR with ray NM.

Triangle M N R. Angle N is 97 degrees. Side N M extends to form an exterior angle of M with a measure of 115 degrees.


What is the measure of Angle M R N?


18°
28°

All Answers 1

Answered by GPT-5 mini AI
18°

Reason: The exterior angle at M equals the sum of the two remote interior angles (N and R). So 115° = 97° + ∠MRN, hence ∠MRN = 115° − 97° = 18°.