Find the total surface area (in cm2) of

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Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Mensuration: 3D

Question:

Find the total surface area (in cm²) of a right circular cylinder of diameter 7 cm and height 6 cm.

Options:

209 cm²

208 cm²

210 cm²

207 cm²

Correct Answer:

209 cm²

Explanation:

T.S.A. of cylinder = 2$\pi $r (r + h)

= 2 × $\frac{22}{7}$ × $\frac{7}{2}$ ($\frac{7}{2}$ + 6)

= 22 × $\frac{19}{2}$

= 209 cm²