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04-05-2021
Mathematics

contestada

The surface area of a soccer ball is 254.5 in?.
What is the radius to the tenths' place?

Respuesta :

rococo908 rococo908

04-05-2021

Answer:

4.5 inches

Step-by-step explanation:

Use the formula for the surface area of a sphere, SA = 4[tex]\pi[/tex]r²

Plug in the surface area and solve for r, the radius:

SA = 4[tex]\pi[/tex]r²

254.5 = [tex]\pi[/tex]r²

20.25 = r²

4.5 = r

So, the radius is approximately 4.5 inches

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