Help can you answer both please would be really helpful

450 is the final answer! : )

m∠5 + m∠3 = m∠1   is true.

m∠5 + m∠6 = 180 is true

m∠2 +m∠3 = m∠6   is true

m∠2 +m∠3 +m∠5 = 180   is true

answer: they are supplementary angles

step-by-step explanation: 161+19=180. supplementary angles equal 180 degrees