WILL GIVE BRAINLIEST ASAP, EASY 8TH GRADE MATH, MORE THAN 5 POINTS! The formula for the circumference of a circle is: c = 2πr Solve for the radius, r, by dividing both sides by 2π. What is the formula for the radius of a circle in terms of the circumference? r = 2 pi c or r = c / 2 pi or r = pi / 2 c or r = 2 pi / c