NCERT · Class 8 · Mathematics · MensurationFind the total surface area of a cylinder of radius $7\text{ cm}$ and height $10\text{ cm}$. (Use $\pi = \frac{22}{7}$)
Step-by-Step Solution
Total Surface Area $= 2\pi r(r + h) = 2 \times \frac{22}{7} \times 7 \times (7 + 10) = 44 \times 17 = 748\text{ cm}^2$.
Detailed Options Breakdown
Option : $748\text{ cm}^2$ (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 1: $440\text{ cm}^2$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Mensuration.
Option 2: $308\text{ cm}^2$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Mensuration.
Option 3: $616\text{ cm}^2$
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.