jermarsmiley19 jermarsmiley19
  • 25-05-2020
  • Mathematics
contestada

The radius of a circle is 6 feet. What is the length of a 180 arc

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Аноним Аноним
  • 25-05-2020

Answer:

It should be [tex]6\pi[/tex]

Step-by-step explanation:

To find the length of an arc, you need this formula:

Arc length  [tex]= \frac{a}{360} 2\pi r[/tex]

-Use both the radius and the angle of the arc:

[tex]A = \frac{180}{360} 2\pi (6)[/tex]

-Then, you solve:

[tex]A = \frac{180}{360} 2\pi (6)[/tex]

[tex]A = \frac{180}{360} \times 2 \times \pi \times 6[/tex]

[tex]A = \frac{1}{2} \times 2 \times \pi \times 6[/tex]

[tex]A = \pi \times 6[/tex]

[tex]A = 6\pi[/tex]

So, the answer should be [tex]6\pi[/tex] .

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