One way to find the answer is to take Point O and Point Q and add them, setting it to equal 180 so: (x+17)+(6x-5)=180 Combine like terms: 7x+12=180 Subtract 12 from 180: 7x=168 Then divide 7 to isolate the x: So then x=24 and you want the measure of ROP so take 24 and add it to 17: Final answer ROP=41