Verified Answer :

mathstudent55

Answer:

777.5

Step-by-step explanation:

d = 15 m

r = d/2 = 7.5 m

SA = 2πr² + 2πrh

SA = 2(3.14159)(7.5 m)² + 2(3.14159)(7.5 m)(9 m)

SA = 777.5 m²

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