Respuesta :

62.8\2=radius 62.8/2=31.4

Answer:

9.99ft

Step-by-step explanation:

circumference=62.8ft

so,

we have,

circumference=2'pi'r

or, 62.8=2*22/7*r

or, 62.8*7/22*2=r

or, 9.99=r

therefore,radius is 9.99ft