Charlie is 4 more than twice as old as Frank. Frank is 3 years younger than Bob, If Bob is 9 years old, how old is Charlie?

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