KyaniS611123 KyaniS611123
  • 03-11-2022
  • Mathematics
contestada

To the nearest centimeter, find the surface area of a hemisphere with 15 inch diameter

Respuesta :

JoyelleR499703 JoyelleR499703
  • 03-11-2022

Given:

The diameter of the hemisphere is 15 inches.

To find:

The surface area of a hemisphere.

Explanation:

The radius of the hemisphere is

[tex]r=\frac{15}{2}inches[/tex]

Using the formula of the surface area of a hemisphere,

[tex]\begin{gathered} S.A=2\pi r^2 \\ =2\times3.14\times(\frac{15}{2})^2 \\ =353.25 \\ \approx353square\text{ }inches \end{gathered}[/tex]

Final answer:

The surface area of the hemisphere is 353 square inches.

Answer Link

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