Respuesta :

Answer:

        Q

P                     R                   S

Step-by-step explanation:

m(QRS) = 10x - 1;   m(RPQ) = 3x + 17;     m(PQR) =  2x + 12

(3x+17) + (2x+12) = 10x-1

5x + 29 = 10x - 1

-5x = -30

x = 6

measure of QRS is  10(6) - 1 = 59