Can someone please help

What is the rotational symmetry of a wheel

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

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