Describe the defferences between hexagonal prism and an octagonal prism​

Plz i want answer and i would appreciate it is is a b c or d

In the diagram of circle o, what is the measure of zabc?

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h