3 years ago

Fill in the blank. tripling the radius of a sphere increases the surface area by a factor of ___________.

1 answer:

7 0

To solve this completion exercise, you must keep on mind the following information:

- The formula for calculate the area of a sphere, is the following:

Vsphere=4πr³/3

Where Vsphere is the volume of the sphere and "r" is the radius of the sphere.

- Therefore, if you multiply the radius by 3, or triple the radius, the surface area increase by a factor of 9 (3^2=9).

The answer is: T<span>ripling the radius of a sphere increases the surface area by a factor of 9.</span>

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