Question

PQRS is a trapezium with PQ parallel to SR. if <P=30°,<Q = 50° find <R and <S

Answer 1

hope this helps you........

Answer 2

Q+R=180 (co-interior angles)
50+R=180
R=180-50
=130

P+S=180 (co-interior angles)
30+S=180
S=180-30
=150