If the measure of arc ac is 160°, what is the measure of angle abc?

Answer this question only if you know the 30 points and

An angle that measures between 90 and 180° is called a(,

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.