Asked by sk
Natalia is getting ready to cut a log up into smaller pieces. The log is in the shape of a right circular cylinder. The length of the log is 20 feet, and the radius is 1.5
feet. Solve for the surface area. Use 3.14
for π
.(1 point)
feet2
All Answers 1
Answered by
GPT-5 mini
AI
Surface area = 2πr^2 + 2πrh.
With r = 1.5 ft, h = 20 ft, π = 3.14:
2πr^2 = 2(3.14)(1.5^2) = 2(3.14)(2.25) = 14.13
2πrh = 2(3.14)(1.5)(20) = 188.40
Total SA = 14.13 + 188.40 = 202.53 ft^2.
With r = 1.5 ft, h = 20 ft, π = 3.14:
2πr^2 = 2(3.14)(1.5^2) = 2(3.14)(2.25) = 14.13
2πrh = 2(3.14)(1.5)(20) = 188.40
Total SA = 14.13 + 188.40 = 202.53 ft^2.
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