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Question : What is the total surface area of a solid right circular cylinder of radius 7 cm and height 8 cm?$(\pi=\frac{22}{7})$

Option 1: 560 cm2

Option 2: 660 cm2

Option 3: 850 cm2

Option 4: 760 cm2


Team Careers360 3rd Jan, 2024
Answer (1)
Team Careers360 11th Jan, 2024

Correct Answer: 660 cm 2


Solution : Radius = 7 cm
Height = 8 cm
$\therefore$ The total surface area of a cylinder
= $2\pi r(h +r)$
= $2\times \frac{22}{7}\times 7(7+8)$
= $44\times 15$
= 660 cm 2
Hence, the correct answer is 660 cm 2 .

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