PDF chapter test TRY NOW

In Fig., lines PQ and RS intersect each other at point O. If ∠ POR : ∠ ROQ = 5 : 7, find all the angles.
 
YCIND_231205_5809_1.png
 
∠POS =  
 
∠ROQ=
 
∠ SOQ=  
 
∠POR=