Lines PQ and RS intersect at O, ∠POR: ∠ROQ = 5:7, then ∠POS is equal to

Lines PQ and RS intersect at O, ∠POR: ∠ROQ = 5:7, then ∠POS is e

1.	Lines PQ and RS intersect at O, ∠POR: ∠ROQ = 5:7, then ∠POS is equal to
Answer» Lines PQ and RS intersect at O, ∠POR: ∠ROQ = 5:7, then ∠POS is equal to