Learn How to Calculate Arc Length Without Radius: Simple Formula Explained

Discover how to calculate the arc length of a circle without a radius using just the central angle and circumference. Get started now!

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To find the arc length of a circle without a given radius, you need to know the central angle and the circumference. Arc length can be calculated using: Arc Length = (Central Angle / 360) * Circumference. If you have the central angle and need the circumference, use Circumference = pi * Diameter.

FAQs & Answers

  1. What is the formula for arc length if you have the radius? Arc Length = Radius * Central Angle (in radians).
  2. How do I find the circumference of a circle? Circumference can be calculated using the formula: Circumference = π * Diameter.
  3. Why is the central angle important for arc length? The central angle determines the proportion of the circle that the arc represents, affecting the arc length calculation.
  4. Can I calculate arc length using degrees instead of radians? Yes, you can calculate arc length using degrees by adjusting the formula accordingly to include the conversion factor.

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If you found this video helpful, check out our other videos on circle geometry and arc properties for a deeper understanding of mathematical concepts.

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