Respuesta :

Answer:

Diameter of B is 27.57

Explanation:

5/9x + 1/2x + 1/2(x+5/9x) = 91

5/9x + x + 0.27777777x = 91

1.83333333x  = 91

91/1.833333333 = 49.63 = x

5/9x = 27.57