answerquickplease1 answerquickplease1
  • 26-04-2020
  • Mathematics
contestada

The radius of a circle is 4.5 in. Find the circumference to the nearest tenth

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julia123490
julia123490 julia123490
  • 26-04-2020
The circumference is 9. Hope this helps :)
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Аноним Аноним
  • 26-04-2020

Answer: The Circumference is 9

Step-by-step explanation:

To find the circumference, need this formula:

[tex]c=2\pi r[/tex]

-Place the measurement of the radius onto that equation:

[tex]c=2\pi 4.5[/tex]

Then, you solve:

[tex]c=2\pi 4.5[/tex]

[tex]c=2[/tex] × [tex]\pi[/tex] × [tex](4.5)[/tex]

[tex]c=9[/tex] × [tex]\pi[/tex]

[tex]28.27[/tex]

-Round up to the nearest tenth

[tex]28.3[/tex]

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