Respuesta :

isaac45bahr
the equation for cuircumference is 2[tex] \pi [/tex] r
so your answer would be either ( 78 Pi ) for an exact answer 
or for decimal form it would be ( 245.044 )
The equation for circumference is pi times diameter. If you use 3.14 to represent pi you would get 122.46 inches.


C=3.14(39in)
C=122.46 inches
The equation for circumference is pi times diameter. If you use 3.14 to represent pi you would get 122.46 inches.


C=3.14(39in)
C=122.46 inches