Respuesta :

Answer: 67 degrees

Step-by-step explanation:

m/P+m/Q+m/R=PQR

4x+11+2x+1+7x-14=180

4x+2x+7x+11+1-14=180

6x+7x+12-14=180

13x-2=180

13x=182

x=14

m/P=4x+11

m/P=4(14)+11

m/P=56+11

m/P=67 degrees