Respuesta :

Answer:

9738.54ft³

Step-by-step explanation:

Height = 20.5ft

Diameter = 1.2 × 20.5ft = 24.6ft

Volume of cylinder = πr²h

radius = 24.6 ÷ 2 = 12.3ft

Volume = 3.14 × 12.3² × 20.5 = 9738.54ft³ (rounded up to nearest hundredth)