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mylen [45]
3 years ago
10

Pls help i give brainliest and 5 stars​

Mathematics
2 answers:
allochka39001 [22]3 years ago
5 0

Answer:

The radius of sphere is 9m.

Step-by-step explanation:

Given that the formula of volume of sphere is V = 4/3×π×r³ and it is 972π m³. So you have to substitute the value into the formula, in order to find radius :

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

Let V = 972π,

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

972 =  \frac{4}{3}  {r}^{3}

972 \div  \frac{4}{3}  =  {r}^{3}

{r}^{3}  = 729

r =  \sqrt[3]{729}

r = 9metres

Mrrafil [7]3 years ago
3 0

Answer:

r = 9 m

Step-by-step explanation:

The volume of a sphere is defined as:

V = \frac43 \pi r^3\\

if this is equal to 972π, then r³ = 972 * 3/4

so r = ∛729 = 9

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