In quadrilateral PQRS, if ∠P=60∘ and ∠Q:∠R:∠S=2:3:7, then find the measure of ∠S.

In quadrilateral PQRS, if ∠P=60∘ and ∠Q:∠R:∠S=2:3:7, then fi

1.	In quadrilateral PQRS, if ∠P=60∘ and ∠Q:∠R:∠S=2:3:7, then find the measure of ∠S.
Answer» In quadrilateral PQRS, if $∠ P = 60^{\circ}$ and $∠ Q : ∠ R : ∠ S = 2 : 3 : 7,$ then find the measure of $∠ S .$