Douglas S. answered 01/22/18
Tutor
5.0
(25)
MS in Chemistry with 10+ Years in Pharmaceutical Industry
C = 2 pi r
where C is the circumference, pi is pi (3.14), and r is the radius.
You want to know the radius, therefore, solve for r.
Divide both sides by pi and 2, and you get:
r = C / (2 pi)
r = (15 in.) / (2 * 3.14)
r = 2.3873 = 2.4 inches
You want to know the radius, therefore, solve for r.
Divide both sides by pi and 2, and you get:
r = C / (2 pi)
r = (15 in.) / (2 * 3.14)
r = 2.3873 = 2.4 inches