I really need some help it's hard to understand
Answer:
B.) 256π
Step-by-step explanation:
Diameter: 16cm Radius: 8cm Height: 8cm
Surface Area Equation
S = 2πrh + 2πr²
S = 2π (8cm)(8cm) + 2π (8cm)²
S = 2π (64cm) + 2π (64cm)
S = 128π + 128π
S = 256π