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Arc To Angle Calculator

Angle Formula:

\[ \text{Angle} = \left( \frac{\text{Arc Length}}{\text{Radius}} \right) \times \left( \frac{180}{\pi} \right) \]

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1. What Is Arc To Angle Calculation?

The arc to angle calculation determines the central angle of a circle when given the arc length and radius. This is fundamental in geometry, engineering, and various technical fields where circular measurements are involved.

2. How Does The Calculator Work?

The calculator uses the angle formula:

\[ \text{Angle} = \left( \frac{\text{Arc Length}}{\text{Radius}} \right) \times \left( \frac{180}{\pi} \right) \]

Where:

Explanation: The formula converts the arc length to radians by dividing by the radius, then converts radians to degrees using the conversion factor.

3. Importance Of Angle Calculation

Details: Calculating central angles from arc lengths is essential in engineering design, architecture, navigation, and manufacturing where precise circular measurements are required.

4. Using The Calculator

Tips: Enter arc length and radius in meters. Both values must be positive numbers. The calculator will compute the central angle in degrees.

5. Frequently Asked Questions (FAQ)

Q1: What is the relationship between arc length and central angle?
A: The central angle (in radians) equals the arc length divided by the radius. To get degrees, multiply by 180/π.

Q2: Can I use different units for arc length and radius?
A: Yes, but both must use the same unit system (both metric or both imperial) for accurate results.

Q3: What if the radius is very large compared to arc length?
A: The angle will be very small. The formula works for all positive values where radius > 0.

Q4: Is this calculation accurate for real-world applications?
A: Yes, this is the standard geometric formula used in engineering and scientific applications.

Q5: Can this be used for partial circles and sectors?
A: Yes, this calculation specifically finds the central angle for any circular arc segment.

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