Question

If the circle is 4cm what is the sircumfrance of the circle

Answer 1

if the diameter is 4cm, then the radius is 2cm since d=2r

to find the circumference we use the equation (2)(pi)(r) = (2)(3.14)(2) = 12.56

Answer 2

Circum of circle=

is 2 pie radius

2x3.14x4

=25.13

Explanation: