Respuesta :

Answer:

The answer is C. x=15

Step-by-step explanation:

PQ+PR+RQ=360°

(8x-10)°+(6x)°+(10x+10)°=360°

(8x+6x+10x)+(-10+10)=360°

24x+0=360°

[tex]x=\frac{360}{24}[/tex]

x=15