Respuesta :

kwokyy

Answer:

15.7

Step-by-step explanation:

d = 2r

d = 8 thus r = 4

area (kelly) = 4 x4 x [tex]\pi[/tex] = 16[tex]\pi[/tex]

area (paige) =  3 x 3 x [tex]\pi[/tex] = 9 [tex]\pi[/tex]

difference = 16 [tex]\pi[/tex] - 9 [tex]\pi[/tex] = 5 [tex]\pi[/tex] = 15.7