Since RST = MNO, then the sides should also be equal. given that RS = 6, and ST = 6, then MN = 6, and NO = 6 as well. Now if the given is MO = 11, then RT would be equal to 11 as well. So the length of RT = 11. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.
