Respuesta :

Answer:

AC = 28

Step-by-step explanation:

small circle circumference = π2x

medium circle = π6x

large = π10x

π2x + π6x + π10x = 63π

π18x = 63π

18x = 63

x = 3.5

AC = 3x + 5x = 8x

AC = 8 x 3.5 = 28