Question

What is the circumference of a circle with a radius of 11 cm? (Use pi = 3.24)

Circumference = 2piR

Answer 1

Pi is supposed to be 3.14 but since your problem says to use 3.24, we will use that.


The answer is 71.28




Circumference = 2piR

Substitute the values.

Circumference = 2(3.24)(11)

Circumference = 6.48(11)

Circumference = 71.28

Answer 2

Explanation:

C = 2 x 3.24 x 11

C = 71.28

A = piR^2

A = 3.24 x 11^2

A = 392.04