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The diameter of a circle is 12 miles, what is the length of the 180 degree arc in the simplest form?

Sagot :

9514 1404 393

Answer:

  6π ≈ 18.8 miles

Step-by-step explanation:

The full circumference of a 12-mile circle is ...

  C = πd

  C = π(12 mi)

So, half the circumference of the circle is ...

  arc length = 1/2C = (12π mi)/2 = 6π mi ≈ 18.8 mi