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Calculate the total surface area of a cone of height 12cm and base radius 5cm. [Take ...

Calculate the total surface area of a cone of height 12cm and base radius 5cm. [Take π = 22/7]
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  • A 180 5/7cm2
  • B 240 2/7cm2
  • C 235 5/7cm2
  • D 282 6/7cm2
  • E 361 3/7cm2
Correct Answer: Option D
Explanation:

πrl + πr2 = πr(l + r)

22/7 x 5(13 + 5)

282 6/7cm2

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