The circumference of a circle can be found using the formula C = 2πr. Which is an equivalent equation solved for r?

Astudent received the following grades last semester. find the student's semester grade point average. an a is algebra (3 credits), a b in history ( 3 credits), a in sociology ( 3 credits) a d in english ( 3credits) and a c in seminar ( 2credits). an a is worth 4 points, a b is worth 3 points a c is worth 2 points and a d is worth 1 point.

What is the approximate circumference of the circle shown below?

Can someone me with this problem . show your work .