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Work out the surface area of this cylinder.
8 cm
16.8 cm

Work out the surface area of this cylinder. 8 cm 16.8 cm-example-1

1 Answer

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Answer:

Exact SA = 166.4π cm²

Approximate SA = 522.8 cm²

Explanation:

SA = 2πr(r + h)

r = d/2 = 8 cm / 2 = 4 cm

h = 16.8 cm

SA = 2π(4 cm)(4 cm + 16.8 cm)

SA = 2π(4 cm)(20.8 cm)

SA = 166.4π cm²

SA = 522.8 cm²

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