Slimshady2019
Slimshady2019 Slimshady2019
  • 27-04-2017
  • Mathematics
contestada

How much material will is take cover a tennis ball that has a diameter of 2.5 inches? Round ti the nearest hundredth. Show work please, thank you

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BackPacker99
BackPacker99 BackPacker99
  • 27-04-2017
The formula of the surface area of a sphere is [tex]4 \pi r^{2} [/tex]

We have the diameter, but we can easily find the radius by dividing the diameter by 2.

2.5/2 = 1.25

Now, we plug this into the formula

[tex]4 \pi * 1.25^{2} =19.63[/tex]

So, you will need 19.63 square inches of material to cover the tennis ball.
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