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Given the radius [tex]\( r \)[/tex] of a sphere, calculate its volume [tex]\( V \)[/tex] using the formula:

[tex]\[ V = \left(\frac{4}{3}\right) \pi r^3 \][/tex]

Calculate [tex]\( V \)[/tex] when [tex]\( r = 6 \)[/tex] feet and use [tex]\( \pi = 3.14 \)[/tex]. Round your answer to two decimal places.

Sagot :

To calculate the volume [tex]\( V \)[/tex] of a sphere given its radius [tex]\( r \)[/tex] and the value of [tex]\( \pi \)[/tex], you can use the formula:

[tex]\[ V = \left(\frac{4}{3}\right) \pi r^3 \][/tex]

Let's go through the calculation step by step using the given values:

1. Given Information:
- Radius [tex]\( r \)[/tex] of the sphere = 6 feet
- [tex]\(\pi \)[/tex] (pi) = 3.14

2. Substitute the given radius and [tex]\(\pi \)[/tex] into the formula:
[tex]\[ V = \left(\frac{4}{3}\right) \cdot 3.14 \cdot (6)^3 \][/tex]

3. Calculate [tex]\( r^3 \)[/tex]:
[tex]\[ (6)^3 = 6 \cdot 6 \cdot 6 = 216 \][/tex]

4. Multiply by [tex]\(\pi \)[/tex]:
[tex]\[ 3.14 \cdot 216 = 678.24 \][/tex]

5. Multiply by [tex]\(\frac{4}{3}\)[/tex]:
[tex]\[ V = \left(\frac{4}{3}\right) \cdot 678.24 \][/tex]

6. Final Calculation:
[tex]\[ V = 904.32 \][/tex]

After rounding to two decimal places, the volume [tex]\( V \)[/tex] of the sphere is:

[tex]\[ V \approx 904.32 \][/tex]

Therefore, the volume of the sphere when the radius is 6 feet is approximately 904.32 cubic feet.