Question

If the circumference of a circle is 32 in, find the radius. Find the radius of the circle.
A. 16 in
B. 10.2 in
C. 2.54 in
D. 5.1 in

Answer 1

c=2 pi r

Answer 2

solve for r

Answer 3

\[Circumference = 2 \pi * r\]

Answer 4

we know that circumference is 2piR... ok...

So 2piR = 32

Divide by 2

PiR = 16

And divide both sides by pi...or roughly 3.14

And we get 5.1 inches