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storchak [24]
3 years ago
11

Find the surface area of a sphere to the nearest square unit 2inches

Mathematics
2 answers:
arsen [322]3 years ago
8 0

Answer:

The surface area of sphere having 2 inches radius is 50.24 inches²

Step-by-step explanation:

  Given : radius of sphere = 2 inches

We have to find the surface area of the sphere

Surface area of sphere is given by :

A=4\pi r^2

Given radius of sphere is 2 inches

Thus, Surface area of sphere having radius 2 inches is

\Rightarrow A=4\pi (2)^2

Solving, we get,

\Rightarrow A=4\pi 4

\Rightarrow A=16\pi

Using \pi=3.14 , we get

\Rightarrow A=16\times 3.14

\Rightarrow A=50.24

Thus, the surface area of sphere having 2 inches radius is 50.24 inches²

Art [367]3 years ago
4 0

Answer:

50.24 inches² is the surface area of the sphere.

Step-by-step explanation:

we have to find the surface area of the sphere to the nearest square unit 2 inches.

Given: radius of sphere = 2 inches

we have to find the surface area

the formula to find the surface area is given below:

A = 4 π r²

where r represent the radius of sphere

putting r = 2 inches in above formula we get

A = 4π(2)²

solving we get

A = 4 π (4)

A = 16 π

using π = 3.14 we get

A = 16 × 3.14

A =  50.24 inches² is the surface area of sphere.

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