alleryThe flat rectangle from a cylinder's curved surface has a length equal to what?
AHeight of cylinder
BRadius of the base
CCircle around the base
DDiameter of the base
Answer & Solution
Correct answer: C. Circle around the base
1. The strip wraps once around the base.
2. So its length equals the circumference of the base, 2πr.
3. The width of the strip is the height.
_Source: NCERT Class 8 Mathematics, Chapter 9 Mensuration, 9.4.3 Cylinders_
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