Geometry
Central Angle Calculator
Central angle from arc length and radius (degrees).
Angle (rad)
Angle (°)
Amortization schedule
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This free Central Angle Calculator covers Central angle from arc length and radius (degrees).
θ in radians is s/r. Other geometry tools are linked below.
Central Angle Calculator — how it works
Central angle from arc length and radius (degrees). Typical inputs are Arc length s and Radius r. How it works beside the form states the identity the Central Angle Calculator applies.
FAQ
How do I use the Central Angle Calculator?
Open the Central Angle Calculator, fill Arc length s and Radius r, and read the result. θ in radians is s/r.
What formula does the Central Angle Calculator use?
The Central Angle Calculator uses the identity in How it works. In words: θ in radians is s/r.
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