Respuesta :

we know that
applying the law of sines
5n/sin Q=(32+n)/sin P
but
sin Q=sin P
then
5n=(32+n)-----------> 5n-n=32--------> 4n=32----------> n=32/4-----> n=8

PR=5n--------> PR=5*8--------> PR=40 units

Answer:

40 units

Step-by-step explanation: