Question
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A circle with a radian central angle has a radius of 15 feet.
  1. Find the length of the arc intercepted by the central angle
  2. Express the measure of the angle in degrees.
  3. Find the circumference of the circle. Use 3.14 to approximate pi in your calculation.
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Ask by Harris Haynes. in the United States
Jan 24,2025

Upstudy AI Solution

Tutor-Verified Answer

Answer

  • Length of the arc: 62.8 feet
  • Angle in degrees: 240°
  • Circumference: 94.2 feet

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Beyond the Answer

To find the length of the arc intercepted by the central angle, you can use the formula , where is the arc length, is the radius, and is the angle in radians. Substituting the values, we get feet.
Now, converting the angle from radians to degrees involves the formula . Thus, .
Finally, to find the circumference of the circle, use the formula . Here, feet.

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