geometry/math pls help
posted by Maryann .
The lengths of segments PQ and PR are 8 inches and 5 inches, respectively, and they make a 60-degree angle at P.
(1) Find the sizes of the other two angles of triangle PQR.
(2) Find the length of the median drawn to side PQ.
(3) Find the length of the bisector of angle R.
(4) Find the third side of another triangle that has a 5-inch side, an 8-inch side, and the
same area as triangle PQR.