Question

Find the surface area of this cylinder.
Round to the nearest tenth.
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Answer 1

282.7

Explanation:

surface area of cylinder = 2πR² + 2πRh

R = 3 cm

h = 12 cm

surface area of cylinder = 2π*3² + 2π*3*12 = 90π ≈ 90*3.14 ≈ 282.7 (cm²)