If the circumference of a circle is 41.8 ft, find the diameter of the circle?

1 Answer
Jensen Z
Mar 15, 2018

The circumference of a circle is given by the equation:

#"circumference"=2pir#

Plug in the information you have:

#41.8=2pir#

Solve:

#41.8/(2pi)=r#

#r~~6.65#

The diameter of a circle is also known as #2r#

#2*r~~13.3#

#"diameter"=13.3# #"ft"#

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