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Find the surface area of a sphere with a radius of 10 in. Express your answer in terms of π.



400π in2


800π in2


500π in2


1,600π in2

Find the surface area of a sphere with a radius of 10 in Express your answer in terms of π 400π in2 800π in2 500π in2 1600π in2 class=

Respuesta :

Given:

Radius of the sphere = 10 in

To find:

The surface area of a sphere

Solution:

Surface area of sphere:

[tex]SA =4\pi r^2[/tex]

[tex]SA =4\times \pi \times 10^2[/tex]

[tex]SA=\pi \times 400[/tex]

[tex]SA=400\pi[/tex] in²

The surface area of a sphere is 400π in².

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