allieick
allieick allieick
  • 20-03-2019
  • Mathematics
contestada

What is the surface area of this cylinder?

A. 384 π cm^2

B. 128 π cm^2

C. 1204 π cm^2

D. 256 π cm^2

What is the surface area of this cylinder A 384 π cm2 B 128 π cm2 C 1204 π cm2 D 256 π cm2 class=

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kudzordzifrancis
kudzordzifrancis kudzordzifrancis
  • 20-03-2019

ANSWER

A.

[tex]TSA=384\pi {cm}^{2} [/tex]

EXPLANATION

The total surface area of a cylinder is given by the formula,

[tex]TSA=2\pi \: {r}(r + h)[/tex]

We substitute the radius, which is

[tex]r = 8cm[/tex]

and

height

[tex]h = 16cm[/tex]

into the formula to obtain,

[tex]TSA=2\pi \: {8}(8 + 16)[/tex]

[tex]TSA=16 \times 24\pi[/tex]

[tex]TSA=384\pi {cm}^{2} [/tex]

The correct choice is A.

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