Question

What is the diameter of a circle with a circumference of 11.27π ​ft?

Answer 1

soln,

circumference of circle = 11.27π ft

so,

C = 2πr

or, 11.27π = 2πr

or, 11.27π/2π = r

so, r = 5.635 ft

now,

diameter = 2r

= 2 x 5.635

= 11.27 ft