3 years ago

If the surface area of a sphere is 484π, what is the radius?

Mathematics

2 answers:

ELEN [110]3 years ago

7 0

Answer:

It would be 11.

Step-by-step explanation:

The equation for the surface area of a sphere is 4πr^2, so lets reduce the answer to get the value of r, the radius.

484π = 4πr^2

Divide by π

484 = 4r^2

Divide by 4

121 = r^2

Lastly, square root each side

11 = r

r is 11.

Yanka [14]3 years ago

6 0

Answer:

6.21 is the radius I believe

Step-by-step explanation:

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