Find the circumference. Leave your answer in terms of pi.
(1 point)
16.8π
8.4π
12.6π
4.2π
Circumference = 2πr
Circumference = 2 * π * r
Circumference = 2 * 3.14 * (r = 2.1)
Circumference = 2 * 3.14 * (2.1)
Circumference = 2 * 3.14 * 2.1
Circumference = 6.28 * 2.1
Circumference = 13.188
The circumference is 13.188 or 13.2π. Answer not given in the options.