Question 1101044
P
\
\11
\
\---------16
\================R
from P to R is SE, and the tan of that angle is 16/11=1.4545
arc tan (1.4545) is 55.49 deg
R from P is 180-55.49 or 124.51 deg or 125 deg
================
P from R is the reciprocal or 305 deg.