Question

A cylinder has a height of 15 feet and a radius of 4 feet. Solve for the total surface area of the cylinder. Use 3.14 for π
and round to the nearest tenth.(1 point)
Responses

60 feet2

60 feet squared

56.52 feet2

188.4 feet squared

301.44 feet2

100.48 feet squared

477.3 feet2

477.3 feet squared
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Answer 1

Total surface area = 2πr^2 + 2πrh. With r = 4, h = 15 and π = 3.14:

2πr^2 = 2(3.14)(4^2) = 100.48
2πrh = 2(3.14)(4)(15) = 376.8

Total = 100.48 + 376.8 = 477.28 ≈ 477.3 ft^2

Answer: 477.3 feet squared.