NCERT · Class 8 · Mathematics · MensurationWhat is the curved surface area of a cylinder of radius $r$ and height $h$?
Step-by-Step Solution
Curved surface area of a cylinder $= 2\pi rh$.
Detailed Options Breakdown
Option : $2\pi rh$ (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 1: $\pi r^2 h$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Mensuration.
Option 2: $2\pi r(r + h)$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Mensuration.
Option 3: $\pi rh$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Mensuration.
💡 Study Guide: This question tests core syllabus concepts from Mensuration. For formulas, key summaries, and mock exam reference guides, read the full Mensuration Revision Notes.