What is the circumference of a circle with a radius of 9 cm?
February 20th, 2023
##=56.52cm##
The formula for the circumference of a circle is
##=2 pi r##
The radius ##=9 cm##
circumference ##=2 pi r##
##=2 xx 3.14 xx 9##
##=6.28 xx 9##
##=56.52cm##