lope devega. eighth question: the interior angle of a regular polygon is 160°. correctly, yaroslav, yes, there is some kind of rule, there is some kind of formula, there is a formula, but to be honest, i don’t remember it anymore, it’s so deep in your subcortex that hearing 160°. you immediately realized, well, yes, an octagon, this is an octagon, the correct answer to our question, option b. ninth question: which conjunction is adversative? a whether, b, too, c, however, time. vladimir, let ’s go over all the unions, maybe i can’t go through all the unions, so the regime, okay, i understand, let’s just go through the one we need. so, adversative conjunctions, from the name you can understand that they contrast one part of a complex sentence with another, yeah, according to the meaning, only option c is suitable here, however, he was very smart, but he still took out a loan, wonderful example, yes, that's right. well, either, or perhaps, this is a dividing union, although in general, as for me, the word separating contradicts the word union, but oh well, a divid