MiaStear
MiaStear MiaStear
  • 24-02-2022
  • Mathematics
contestada

What is the surface area of this cylinder? Use pie = 3.14 and round your answer to the nearest hundredth.

What is the surface area of this cylinder Use pie 314 and round your answer to the nearest hundredth class=

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Medunno13
Medunno13 Medunno13
  • 27-02-2022

Answer: 855.90 cubic inches

Step-by-step explanation:

The formula for the surface area is [tex]S=2\pi r^{2}+2\pi rh[/tex], where r is the radius and h is the height.

We know that h=10, and that the radius = 15.4/2 = 7.7

So the surface area is [tex]2\pi \cdot 7.7^{2}+2\pi \cdot 7.7 \cdot 10[/tex]

We are using 3.14 for pi, so we get:

[tex]2\cdot 3.14 \cdot 7.7^{2} +2 \cdot 3.14 \cdot 7.7 \cdot 10 \approx 855.90[/tex]

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