Question

The radius of a circle is 4 centimeters. what is the circle's circumference? r=4 cm use 3.14 for ​????.

Answer 1

Hey there,
Use 3.14 for pi.
Circumference = pi x r^2
                        = 3.14 x 4^2
                        = 50.24 cm

Hope this helps :))

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