Question

HELP ASAP

The circumference of a circle is 28 pie inches. What is the length of the radius of this circle?
A)14 in.
B)21 in.
C)28 in.
D)56 in.

Answer 1

Answer:A

Explanation:

The formula is 2pir, so you divide by the 2, the pin the pi, then you have the radius, r.