the 80th term of an arithmetic sequence is 110.75 and the common difference is 1.25. What is the first term of the sequence?

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