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Firlakuza [10]
2 years ago
12

Where r is the radius of the cylinder and h is the height of the cylinder.

Mathematics
1 answer:
guajiro [1.7K]2 years ago
8 0

Answer:

703.7 in²

Step-by-step explanation:

SA = 2πrh+2πr²

= 2×π×7×9+2×π×7²

= 224π

= 703.7 in² (rounded to the nearest tenth)

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