Apex 10 help points!!

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

If g^-1(x) is the inverse of g (x) which statement must be true

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x