1guys please help I gut an exam soon how to solve this?!

Answer:
477.525cm^2
Step-by-step explanation:
A = pi X 4^2 = 50.265cm^2
Totals to 100.53cm^2
C = pi X 8 = 25.133
Area = 25.133 X 15 = 376.995cm^2
100.53+376.995= 477.525cm^2.