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tia_tia [17]
3 years ago
9

Sphere radius 7 inches what's the volume

Mathematics
2 answers:
Margaret [11]3 years ago
6 0

Answer:

The volume of sphere is <u>1436.03 inches³</u>.

Step-by-step explanation:

Given:

The radius of sphere = 7 inches.

Now, to find the volume.

So, to get the volume we put the formula:

Volume=\frac{4}{3} \pi r^3

Taking the value of π = 3.14

Volume=\frac{4}{3}\times 3.14\times {7}^3

Volume=\frac{4}{3}\times 3.14\times 343

Volume=\frac{4}{3}\times 1077.02

Volume=\frac{4308.08}{3}

Volume=1436.03\ inches^3

Therefore, the volume of sphere is 1436.03 inches³.

Ede4ka [16]3 years ago
4 0

Step-by-step explanation: To find the volume of the sphere, start with the formula for the volume of a sphere.

Volume = \frac{4}{3} \pi r^{3}

Notice that our sphere has a radius of 7 inches so plugging into the formula, we have (\frac{4}{3})(\pi)(7 in.)^{3}.

Start by simplifying the exponent. (7 in.)³ is equal to 7 inches x 7 inches x 7 inches or 343 in³ so we have (\frac{4}{3}) (343 in.^{3})(\pi).

Next, 4 x 343 is 1,372 which gives us \frac{1,372\pi }{3}. Notice that 1,372 doesn't divide by 3 so this is our final answer for the volume of the sphere.

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