Question:medium
A cylinder has radius $7\text{ cm}$ and height $10\text{ cm}$. Find its curved surface area. [$\text{CSA} = 2\pi rh$]
A cylinder has radius $7\text{ cm}$ and height $10\text{ cm}$. Find its curved surface area. [$\text{CSA} = 2\pi rh$]
Show Hint
When the radius is a multiple of 7, always use $\pi = \frac{22}{7}$ instead of $3.14$ to make the calculation much faster and cleaner!
Updated On: May 13, 2026
- $220\text{ cm}^2$
- $440\text{ cm}^2$
- $560\text{ cm}^2$
- $770\text{ cm}^2$
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The Correct Option is B
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