Question 17
(NET 1) Inside an equilateral triangle $ABC$ one constructs points $P,Q,R$ such that
$$\angle QAB=\angle PBA=15^\circ,\qquad\angle RBC=\angle QCB=20^\circ,\qquad\angle PCA=\angle RAC=25^\circ.$$
Determine the angles of triangle $PQR$.
$$\angle QAB=\angle PBA=15^\circ,\qquad\angle RBC=\angle QCB=20^\circ,\qquad\angle PCA=\angle RAC=25^\circ.$$
Determine the angles of triangle $PQR$.