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Find the total surface area of a closed cylinder with radius 7 cm and height 8 cm. (Take π = $\frac{22}{7} .$ )

Class 8Surface Area of a CylinderMensuration

A660 sq cm
B352 sq cm
C506 sq cm
D1232 sq cm

Step-by-Step Solution

TSA = 2π

r (r + h) = 2 \times \frac{22}{7} \times 7 \times (7 + 8) = 44 \times 15 = 660

sq cm. 352 is only the curved part; 506 adds just one end.

Answer: A) 660 sq cm

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