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Answer :
To find the surface area of a sphere, we use the formula
[tex]$$
SA = 4\pi r^2.
$$[/tex]
Given that the radius is [tex]$r = 5$[/tex] cm and using [tex]$\pi = 3.14$[/tex], we follow these steps:
1. Calculate the square of the radius:
[tex]$$
r^2 = 5^2 = 25.
$$[/tex]
2. Multiply by [tex]$\pi$[/tex]:
[tex]$$
\pi r^2 = 3.14 \times 25 = 78.5.
$$[/tex]
3. Multiply by 4 to get the surface area:
[tex]$$
SA = 4 \times 78.5 = 314.0.
$$[/tex]
Thus, the surface area of the sphere is
[tex]$$
314.0 \text{ cm}^2.
$$[/tex]
[tex]$$
SA = 4\pi r^2.
$$[/tex]
Given that the radius is [tex]$r = 5$[/tex] cm and using [tex]$\pi = 3.14$[/tex], we follow these steps:
1. Calculate the square of the radius:
[tex]$$
r^2 = 5^2 = 25.
$$[/tex]
2. Multiply by [tex]$\pi$[/tex]:
[tex]$$
\pi r^2 = 3.14 \times 25 = 78.5.
$$[/tex]
3. Multiply by 4 to get the surface area:
[tex]$$
SA = 4 \times 78.5 = 314.0.
$$[/tex]
Thus, the surface area of the sphere is
[tex]$$
314.0 \text{ cm}^2.
$$[/tex]
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