Answer :

ItzStarzMe

Explaination :

Here instead of the radius we have been provided with the diameter of circle. So we would derive radius from it..!!

As we know that,

  • r = d / 2
  • r = 24 / 2
  • r = 12

Now, we have to calculate the total surface area of that cylinder given in the attachment.

So we would be using the formula of calculating the total surface area of cylinder :

  • T.S.A. = 2πr (h + r)

★ Putting the values in the formula,

>> T.S.A. = 2 × (22 / 7) × 12 (18 + 12)

>> T.S.A. = 2 × (22 / 7) × 12 × 30

>> T.S.A. = 2 × 22 × 12 × 30 / 7

>> T.S.A. = 2 × 22 × 360 / 7

>> T.S.A. = 44 × 360 / 7

>> T.S.A. = 15840 / 7

>> T.S.A. = 2262.8 cm²

★ Therefore,

  • Total surface area is of 2262.8 cm²

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