Elspeth knows that . What would she need to do to find the circumference?
A.She could multiply 9.42 by 2.
B.She could multiply 9.42 by .
C.She could divide 9.42 by 2 to find the radius, then square the radius.
D.She could divide 9.42 by to find the radius, then multiply 9.42 by the radius.