P, Q, and R are three different points. PQ=3x+2, QR=x, RP=x+2, and x>0. List the angles of tri angle PQR...

P, Q, and R are three different points. PQ=3x+2, QR=x, RP=x+2, and x>0. List the angles of tri angle PQR in order from largest to smallest and justify your response