Question 44
EasyOriginal questionA label is wrapped exactly once round the curved side of a cylindrical tin of radius 14 cm and height 10 cm, with no overlap. What is the area of the label? Take .
Show the answer and explanation
CorrectNot quiteAnswer A
Correct answer: A
Explanation
The label covers the curved surface: .
= cm².
Worth noting
1,496 cm² adds one circular end and 2,112 cm² adds both ends; a label covers only the curved side. 6,160 is the volume in cm³.
- Concept
- Curved surface area of a cylinder
- Typical timeTypical
- 40 s
- Your timeYours
- —
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Ten questions from Mensuration: Areas and Volumes, at your own pace.