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sergey [27]
3 years ago
9

7. A sphere has a volume of 361 in. Find theradius of the sphere.​

Mathematics
1 answer:
Dahasolnce [82]3 years ago
7 0

Answer:

r =  4.417

Step-by-step explanation:

in order to calculate the radius of a sphere

given  that

volume of sphere = 361

π = 3.14

radius = ?

recall that the volume of a sphere = 4/3 πr³

361 = 4 /3 × 3.14 × r³

361 = 12.56r³/3

cross multiply

361 × 3 = 12.56r³

1083 = 12.56r³

divide both sides by 12.56

1083/12.56 = 12.56r³/12.56

86.226 = r³

find the cubic root of both sides

r = ∛86.226

r =  4.417

therefore the radius of the sphere is evaluated to be  4.417

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